Samsung SM-X820 Repair Manual
Samsung SM-X820 Repair Manual

Samsung SM-X820 Repair Manual

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REPAIR GUIDE
SM-X820
SM-X826B
SM-X828U
English. 04/2025. Rev.2.1
www.samsung.com

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Summary of Contents for Samsung SM-X820

  • Page 1 REPAIR GUIDE SM-X820 SM-X826B SM-X828U English. 04/2025. Rev.2.1 www.samsung.com...
  • Page 2: Table Of Contents

    Updating Software through Smart Switch Recovering from a Software Update Failure Recovering on Another Computer 10 Performing a Factory Data Reset Quality Test Quality Test Using the Samsung Members App Device Diagnostics Test Items Calibrations 26 Calibrations 26 Used Parts and Calibration Functions in Supported Models...
  • Page 3 Table of Contents 44 Under-display Camera Calibration (Fold Models Only) 46 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 49 Exploded View 50 Parts List Disassembly and Assembly 52 Tools for Disassembly and Assembly Fasteners (Adhesives and Materials) for Assembly Disassembly and Reassembly for replacement 62 SIM Card Tray...
  • Page 4 Table of Contents 124 Speaker 1 124 Disassembly 134 Reassembly 145 Speaker 2 145 Disassembly 149 Reassembly 155 Speaker 3 155 Disassembly 161 Reassembly 170 Speaker 4 170 Disassembly 175 Reassembly 182 Button 182 Disassembly 184 Reassembly 187 Back Cover Module 187 Disassembly 208 Reassembly 230 Battery...
  • Page 5: Usage Notices

    Precautions for Repair Samsung is not liable for any damage or defect determined to be caused by repair by a non-authorised carrier, self repair or non-professional repair of the device. Samsung...
  • Page 6: Esd (Electrostatic Discharge) Precautions

    Usage Notices Make sure to wear the appropriate safety equipment before carrying out repairs. • Samsung is not responsible for injuries that may occur because of not wearing the proper safety equipment. Refer to Tools for Disassembly and Assembly for a list of tools that you will need for assembling and disassembling the device.
  • Page 7: Instructional Icons

    Usage Notices Instructional Icons Warning: situations that could cause injury to yourself or others Caution: situations that could cause damage to your device or other equipment Notice: notes, usage tips, or additional information...
  • Page 8: Software Update

    You must download the desktop version of the Smart Switch app from www.samsung.com/smartswitch. This feature may not be supported on some devices or computers. • Limitations apply. Visit www.samsung.com/smartswitch for details. Samsung • takes copyright seriously. On the computer, visit www.samsung.com/smartswitch to download Smart Switch.
  • Page 9: Recovering From A Software Update Failure

    Before performing the factory data reset, remember to make backup copies of all important data stored in the device. Samsung is not responsible for the loss of data stored in the device. Disconnect your device from the computer and launch Smart Switch again on the computer.
  • Page 10: Performing A Factory Data Reset

    Before performing the factory data reset, remember to make backup copies of all important data stored in the device. Samsung is not responsible for the loss of data stored in the device.
  • Page 11 Software Update Tap Reset → Delete all. All data will be deleted when rebooting. During a factory data reset, the device may repeat rebooting and the logo may be displayed for a long time.
  • Page 12: Quality Test

    Quality Test Quality Test Using the Samsung Members App It is recommended to evaluate your device through the Samsung Members app after it has been repaired to guarantee its performance. If the test results show any abnormalities or that another malfunction has occurred because of the repair, visit a Samsung Service Centre to receive further instruction.
  • Page 13: Test Items

    If the exclamation mark appears on any test • items after finishing the test, tap them to find the solutions. If the problem persists, visit a Samsung Service Centre. Test Items Function: Check whether your device can read • near field communication (NFC) tags that contain information about products.
  • Page 14 ‒ FAQ: View frequently asked questions. ‒ History: View your device’s restart history. Official software Function: Check whether the software is working • normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Service information: View the Samsung Service Centre location.
  • Page 15 Quality Test Mobile network Function: Check whether your mobile network is • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Settings: Configure your mobile network settings. ‒ FAQ: View frequently asked questions. Sensors Function: Check whether the sensors are working •...
  • Page 16 Quality Test Touch screen Function: Check whether the touchscreen is • working normally. Provided information • ‒ Status: View whether the feature is working normally. Buttons Function: Check whether the buttons are working • normally. How to check: • Press the buttons by following the directions on the screen.
  • Page 17 Quality Test Speaker Function: Check whether the speakers are • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Speaker types: View the status of each speaker. ‒ FAQ: View frequently asked questions. Vibration Function: Check whether the vibration feature is •...
  • Page 18 Quality Test Camera Function: Check whether the rear and front cameras are working normally. • How to check: • Tap the camera button to test the rear and front cameras. The picture that was taken will be displayed to check the quality of the pictures. Provided information •...
  • Page 19 Quality Test Function: Check whether the microphone is working normally. • How to check: • 1) Tap Record and say something for the recording. 2) When the recording is finished, tap Play and select a button according to the question. Provided information •...
  • Page 20 Quality Test Location accuracy Function: Check whether the location accuracy is • working normally. How to check: • Tap Start. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. The results might be more accurate when you test outside.
  • Page 21 Quality Test Bluetooth Purpose: Check whether Bluetooth can search for • other Bluetooth devices. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, the Bluetooth feature must be activated.
  • Page 22 Quality Test Face recognition Purpose: Check whether the face recognition • sensor is working. How to check: • Look at the screen. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, your face must be registered.
  • Page 23 Quality Test S Pen Purpose: Check whether the S Pen is recognised in all areas of the touchscreen. • How to check: • 1) Tap all the rectangles on the screen with the S Pen. The tapped or dragged rectangles will turn blue. 2) Hover the S Pen over the screen and move from A to B.
  • Page 24 How to check: • Connect a charger to your device. Provided information • ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the charger you connected. Use only Samsung-approved chargers.
  • Page 25 ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the wireless charger you put your device on. Use only Samsung-approved wireless chargers. Battery status Function: Check the battery values and analysis. • Provided information •...
  • Page 26: Calibrations

    In order to guarantee the stable and correct performance of components or sensors, it is required to conduct calibrations through the Self Repair Assistant app after repair. If the calibration results show any malfunctions, visit a Samsung Service Centre for further action. Any malfunctions caused by your repair may incur additional repair charges.
  • Page 27: Using The Self Repair Assistant App

    Calibrations Depending on the model, the screen module may include batteries. So when • the screen module is replaced, the battery also has to be selected and a battery cycle reset must be performed. In the Fold models, touch screen panel calibration is performed for both the •...
  • Page 28 Calibrations Read Privacy Notice and tap Continue. If you are not signed in to your • Samsung account, a button will appear to sign in. If you select the link to read the full • Privacy Notice, you will be directed to...
  • Page 29 Calibrations Check permissions and tap Continue. Select the part that you have replaced and tap Next. The required calibrations will be • conducted automatically. If the device does not have certain • components or sensors associated with the part that has been replaced, relative calibration will be skipped automatically.
  • Page 30 Calibrations Read the on-screen instructions and tap Start. Refer to Optical Fingerprint Sensor Calibration, Resetting the Battery Cycle Count, Range Sensor Calibration, Touch Screen Panel Calibration, Speaker Calibration, Under-display Camera Calibration (Fold Models Only), and Digital Hall Sensor Calibration (Fold and Flip Models Only) for more information.
  • Page 31 Calibrations Check the results of each calibration item. Completed: Calibration was done • normally. Failed: Calibration failed. • Skipped: Calibration was skipped. • On the calibration results page, tap Close to close the app. Restart your device to finish calibrating.
  • Page 32: Optical Fingerprint Sensor Calibration

    Calibrations Optical Fingerprint Sensor Calibration Whenever the screen is replaced, the optical fingerprint sensor must be calibrated to guarantee optimised fingerprint sensor performance for devices that have it. Optical fingerprint sensor calibration is available through the Self Repair Assistant app. This feature may not be available depending on the model.
  • Page 33 Calibrations Check the part and calibration and then tap Start. Read the on-screen instructions and tap Start. The white calibration box must be prepared before you start. Put the white calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger.
  • Page 34 Calibrations Put the black calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger. Tap Next and keep pushing the rubber with your finger until you see the success message. The black calibration box must be •...
  • Page 35: Resetting The Battery Cycle Count

    Calibrations Check the result of the calibration. Completed appears only when the calibration is successfully completed. If Completed does not appear, try calibrating again. Resetting the Battery Cycle Count The battery cycle count should be reset whenever your device’s battery is replaced. Launch the Self Repair Assistant app.
  • Page 36 Calibrations Check part and calibration and tap Start. Tap Start. Read the on-screen instructions and tap Scan to scan the QR code, or tap Enter manually to enter the serial number manually.
  • Page 37 Calibrations Scan the QR code or enter the serial number that appears on the battery package. The reset will begin. Check the calibration results.
  • Page 38: Range Sensor Calibration

    Calibrations Range Sensor Calibration When replacing screens, batteries, back glasses, or charging ports, range sensor calibration is required to ensure the range sensors of devices equipped with them are optimised. Range sensor calibration is available through the Self Repair Assistant app. Some content may differ from your device depending on the region, service provider, model specifications, or device’s software.
  • Page 39 Calibrations Read the on-screen instructions and tap Start. In a dark room or area, place the phone face-down, then press the Volume button. The calibration will perform automatically. A tone will play when calibration is complete. Check the calibration result.
  • Page 40: Touch Screen Panel Calibration

    Calibrations Touch Screen Panel Calibration When replacing screens, touch screen panel calibration is required to ensure accurate touch input. Touch screen panel calibration is available through the Self Repair Assistant app. In the Fold models, touch screen panel calibration is performed for both the main and cover screens.
  • Page 41 Calibrations Read the on-screen instructions and tap Start. The calibration will perform automatically and the screen will turn white during calibration. Check the calibration result.
  • Page 42: Speaker Calibration

    Calibrations Speaker Calibration When replacing speakers, the speaker must be calibrated to guarantee optimised speaker performance for devices that have it. Speaker calibration is available through the Self Repair Assistant app. Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next.
  • Page 43 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.
  • Page 44: Under-Display Camera Calibration (Fold Models Only)

    Calibrations Under-display Camera Calibration (Fold Models Only) Whenever the screen is replaced, the under-display camera must be calibrated to guarantee optimised under-display camera performance for devices that have it. Under-display camera calibration is available through the Self Repair Assistant app. This feature may not be available depending on the model.
  • Page 45 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.
  • Page 46: Digital Hall Sensor Calibration (Fold And Flip Models Only)

    The boot screen (the screen where the Samsung and carrier logos appear) will appear normally and then turn off, so it is not a hardware failure.
  • Page 47 Calibrations Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next. Check part and calibration and tap Next. Tap Start.
  • Page 48 Calibrations The calibration will perform automatically. Check the calibration result.
  • Page 49: Exploded View And Parts List

    Exploded View and Parts List Exploded View and Parts List The 5G mmWave antenna modules are only supplied with United States devices. • The product’s composition may vary depending on the country, region, or • carrier. Exploded View...
  • Page 50: Parts List

    Exploded View and Parts List Parts List Number Name QCR154 Screw 3229 QCR261 Screw 3463 QCB09 Antenna Flex Cable (Blue) QME06 Main Flex Cable (Screen to PBA) QBR05 Bracket (Bottom) QCR215 Screw 3369 QCR257 Screw 3443 QMO01 Vibrator Motor QCB07 Antenna Flex Cable (Grey) QCB04 Antenna Flex Cable (Red)
  • Page 51 Exploded View and Parts List Number Name QME05 5G mmWave Antenna Flex Cable (Main) QME04 5G mmWave Antenna Flex Cable (Side) QSM01 SIM Card Tray QIF01 Charging Port QSP04 Speaker1 QSP03 Speaker2 QSP02 Speaker3 QSP01 Speaker4 QFR01 Screen QBA01 Battery QBC01 Back Cover Module...
  • Page 52: Disassembly And Assembly

    Disassembly and Assembly Disassembly and Assembly Tools for Disassembly and Assembly When repairing devices, you absolutely must wear protective equipment for your safety. Availability of rental services for toolkits with a complete set of tools for self repair service may vary depending on the country and is currently available only in limited countries.
  • Page 53 Disassembly and Assembly Tool & Part Code Image Description Prevents electrostatic damage ESD Safe Mat (recommended) Ejection Pin Pin for ejecting the SIM card tray Cross-head Tool for screwing in cross-head Screwdriver screws Tool for disassembling the screen Opening Pick and other parts Tool for disassembling the Opening Tool...
  • Page 54 Disassembly and Assembly Tool & Part Code Image Description Tool for handling connectors, cables, and other parts Because it is possible • to damage parts or components when using ESD Safe Tweezers sharp tweezers, use and Round Tip tweezers made with plastic Metal Tweezers or rubber material.
  • Page 55 Disassembly and Assembly Tool & Part Code Image Description Tool to place the device when pressing the screen or battery using the press fixture This tool is available to use • by the rental of tool kit that contains a complete set Bottom Press Tray of the tools for self repair service.
  • Page 56 Disassembly and Assembly Tool & Part Code Image Description Tool to cover the battery when pressing the battery using the press fixture Battery Rubber Pad This tool is available to use by the rental of tool kit that contains a complete set of the tools for self repair service.
  • Page 57: Fasteners (Adhesives And Materials) For Assembly

    Disassembly and Assembly Fasteners (Adhesives and Materials) for Assembly The fasteners composition may vary depending on the repair parts, country, region, or carrier. Item Quantity Image Description Screen Double sided Adhesive Tape adhesive tape for attaching the screen GH81-23924A Screws for the top bracket Screw 3229 (22 ea)
  • Page 58 Disassembly and Assembly Item Quantity Image Description SIM Card Double sided Socket adhesive tape for Adhesive Tape attaching the SIM card socket GH81-23873A Vibrator Motor Double sided Adhesive Tape adhesive tape for attaching the vibrator motor GH81-19348A Adhesive tape for attaching the 5G mmWave 5G mmWave antenna module...
  • Page 59 Disassembly and Assembly Item Quantity Image Description Speaker 1 Double sided FPCB Adhesive adhesive tape Tape 2 for attaching the FPCB of speaker 1 GH81-24027A Speaker 2 Double sided FPCB Adhesive adhesive tape Tape for attaching the FPCB of speaker 2 GH81-24025A Speaker 3 Double sided...
  • Page 60 Disassembly and Assembly Item Quantity Image Description Speaker 2 Double sided Adhesive Tape adhesive tape for attaching the speaker 2 GH02-25092A Speaker 3 Double sided Adhesive Tape adhesive tape for attaching the speaker 3 GH02-25090A Speaker 4 Double sided adhesive tape adhesive tape for attaching the speaker 4...
  • Page 61: Disassembly And Reassembly For Replacement

    Disassembly and Assembly Disassembly and Reassembly for replacement The product’s composition may vary depending on the country, region, or • carrier. Repairable parts may vary depending on the country or region. • Before disassembling: Unplug and turn off device before disassembling. •...
  • Page 62: Sim Card Tray

    Disassembly and Assembly SIM Card Tray Disassembly Prepare the device to repair by yourself. Insert the ejection pin into the hole of the SIM card tray to loosen the tray and pull out the tray gently from the tray slot.
  • Page 63: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Insert the SIM card tray back into the slot. Ensure that there are no abnormalities.
  • Page 64: Screen

    Disassembly and Assembly Screen Disassembly When removing the screen, ensure that the device is fixed on a flat surface. When removing the screen of Galaxy Tab S10 Plus, you need the 2 heating bags and a large size suction cup. Heat the 2 microwaveable heating bags for 70 seconds in a 700 W microwave and apply each one to the front and back of the top edge of the screen for 3 minutes.
  • Page 65 Disassembly and Assembly While maintaining the heating bag under the back of the device, place the suction cup (L) on the top edge centre of the screen, and lift it upwards carefully. As the screen can be damaged by excessive force, be careful not to damage the •...
  • Page 66 Disassembly and Assembly While pulling up the suction cup with strong, steady force to create the gap between the back cover module and the screen, place the opening pick in the gap between the back cover module and the edge of the screen and slide the opening pick back and forth along the edge to slice through the adhesive.
  • Page 67 Disassembly and Assembly...
  • Page 68 Disassembly and Assembly...
  • Page 69 Disassembly and Assembly...
  • Page 70 Disassembly and Assembly Before removing the screen completely, using the tweezers, separate the 2 flex cable connectors from the screen. Lift up the screen and separate it from the back cover module completely. Make sure to separate the connectors before removing the screen completely. •...
  • Page 71 Disassembly and Assembly...
  • Page 72: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Before attaching the screen, make absolutely sure that there are no screws, miscellaneous parts, or other foreign objects on the inside of the device (among the battery, PBA, etc.).
  • Page 73 Disassembly and Assembly...
  • Page 74 Disassembly and Assembly Remove the inner vertical transparent film on the centre of the new screen adhesive tape. Align the adhesive tape precisely on the back cover module and attach it.
  • Page 75 Disassembly and Assembly Using your fingers, gently press down the upper and lower middle of the adhesive tape. Lift the right side of the adhesive tape and remove the inner transparent film from the centre of the inside. Align the adhesive tape precisely on the right of the back cover module so that the exposed tape is exactly attached.
  • Page 76 Disassembly and Assembly...
  • Page 77 Disassembly and Assembly Lift the left side of the adhesive tape and remove the inner transparent film from the centre of the inside. Align the adhesive tape precisely on the left of the back cover module so that the exposed tape is exactly attached. Attach the tape and gently press down the edges of the tape with your fingers and the disassembly stick to ensure a secure fit.
  • Page 78 Disassembly and Assembly...
  • Page 79 Disassembly and Assembly While holding the film handle of the tape, remove the transparent film from the adhesive tape completely.
  • Page 80 Disassembly and Assembly Leave the inside of the screen visible and connect the 2 flex cable connectors between the screen and back cover module. Be careful not to damage the cables and connectors. • Be careful not to damage the screen. •...
  • Page 81 Disassembly and Assembly Turn the screen slowly over back to its original state and attach it to the back cover module. Be careful not to damage the cables and connectors. • Be careful not to damage the screen. •...
  • Page 82 Disassembly and Assembly Attach the screen and press down on the edges of the screen evenly in order to attach the screen perfectly. Check the gap between the screen and the back cover module. If you feel some gap, remove the screen and attach it again. Some foreign materials can be inside the device.
  • Page 83 Disassembly and Assembly Now you can press the fully assembled screen using the press fixture. Remove the press fixture body and its handle from the rental tool kit packaging. Keep your hands out of the press fixture to avoid mechanical pinching and injury. This tool is only available to use by the rental of tool kit that contains a •...
  • Page 84 Disassembly and Assembly Remove the bottom press tray and top press tray from the rental tool kit packaging. Leave the inside of the bottom press tray visible and place the device into the tray facing up.
  • Page 85 Disassembly and Assembly Using your fingers, press down the all edges carefully and make sure that the device is completely secured to the bottom tray. Carefully place the top press tray over the bottom press tray and gently press on all corners of the tray to secure it.
  • Page 86 Disassembly and Assembly Position the top half of the press tray with the device lengthwise in the centre of the press fixture.
  • Page 87 Disassembly and Assembly Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray for 30 seconds. Keep your hands out of the press fixture to avoid mechanical pinching and injury. When you reach the required maximum force (1 N), a sound is made from the handle if you turn the handle.
  • Page 88 Disassembly and Assembly Position the bottom half of the press tray with the device lengthwise in the centre of the press fixture. Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray again for 30 seconds. Keep your hands out the of press fixture to avoid mechanical pinching and injury.
  • Page 89 Disassembly and Assembly When the second press is completed after 30 seconds, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture. Remove the device carefully from the tray.
  • Page 90: Front Camera

    Disassembly and Assembly Front Camera Disassembly Remove the Screen first before you begin. Check and remove the screws at the 22 different points on the top bracket using a cross-head screwdriver. Be careful not to damage the bracket and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 91 Disassembly and Assembly...
  • Page 92 Disassembly and Assembly...
  • Page 93 Disassembly and Assembly Using the tweezers, separate the front camera connector from the main board and remove the front camera carefully from the device. Leave the camera lens facing up. Be careful not to damage the main board and near components.
  • Page 94: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all release films from the new front camera module.
  • Page 95 Disassembly and Assembly Connect the front camera connector carefully to the main board. Connect the battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components.
  • Page 96 Disassembly and Assembly Using the tweezers, place the top bracket to the back cover module and press down on it in its position smoothly. Be careful not to damage the battery. Be careful not to damage the bracket and near components. Check the screw 3229 (22 ea) and fasten them on the top bracket using a cross-head screwdriver.
  • Page 97 Disassembly and Assembly Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws. Reassemble the Screen to complete assembly.
  • Page 98: Rear Camera

    Disassembly and Assembly Rear Camera Disassembly Remove the Screen first before you begin. Check for the disassembly steps of the Front Camera and completely separate the top bracket and disconnect the battery connector. Using the tweezers, disconnect the 2 rear camera connectors and the coaxial cable connector (Blue) from the main board.
  • Page 99 Disassembly and Assembly...
  • Page 100 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the ultra wide camera first and remove it. Leave the camera lens facing up. Be careful not to damage the main board and near components.
  • Page 101 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the wide camera and remove it. Leave the camera lens facing up. Be careful not to damage the main board and near components.
  • Page 102: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all release films from the new wide camera module.
  • Page 103 Disassembly and Assembly Using the tweezers and your fingers, remove all release films from the new ultra wide camera module. Be careful not to damage the camera. Using the tweezers and your fingers, gently insert the ultra wide camera into the camera hole so that the lens faces backward.
  • Page 104 Disassembly and Assembly Press down softly on the rear cameras with your fingers so that the cameras can be completely assembled. Using the tweezers and your fingers, connect the 2 rear camera connectors and the coaxial cable connector (Blue) to the main board. Assemble the coaxial cable (Blue) completely in its position.
  • Page 105 Disassembly and Assembly Check for the reassembly steps of the Front Camera and connect the battery connector and completely reassemble the top bracket. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 106: Microphone

    Disassembly and Assembly Microphone Disassembly Remove the Screen first before you begin. • The microphones are already built in the bracket. Disassemble the microphones • only if the microphones themselves require the repairs. Check for the disassembly steps of the Front Camera and completely separate the top bracket.
  • Page 107 Disassembly and Assembly Using the tweezers, disconnect the microphones carefully from the bracket. Be careful not to damage the bracket.
  • Page 108 Disassembly and Assembly...
  • Page 109: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all release films from the new microphone modules.
  • Page 110 Disassembly and Assembly Using the tweezers and your fingers, assemble the microphones to the exact position of the bracket. Be careful not to damage the microphone and bracket.
  • Page 111 Disassembly and Assembly Press down the microphones softly with your fingers so that they can be attached well.
  • Page 112 Disassembly and Assembly Check for the resassembly steps of the Front Camera and completely reassemble the top bracket. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 113: Charging Port

    Disassembly and Assembly Charging Port Disassembly Remove the Screen first before you begin. Check and remove the screws at the 26 different points on the brackets using a cross-head screwdriver. Be careful not to damage the brackets and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 114 Disassembly and Assembly Using the tweezers, remove the top bracket from the back cover module. Be careful not to damage the bracket and near components.
  • Page 115 Disassembly and Assembly Using the tweezers, remove the bottom bracket from the back cover module and separate the battery connector from the main board. Make sure to first disconnect the battery connector for your own safety. • Be careful not to damage the battery. •...
  • Page 116 Disassembly and Assembly...
  • Page 117 Disassembly and Assembly Check the 4 screws on the charging port and remove them using a cross-head screwdriver. Be careful not to damage the charging port and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 118 Disassembly and Assembly...
  • Page 119: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Place the charging port module on the back cover module and connect the flex cable connector on the back of charging port.
  • Page 120 Disassembly and Assembly Check the screw 3443 (4 ea) and fasten them on the charging port using a cross-head screwdriver. Be careful not to damage the charging port module side contact.
  • Page 121 Disassembly and Assembly Connect the battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components. Using the tweezers, place the bottom bracket to the back cover module and press down on it in its position smoothly.
  • Page 122 Disassembly and Assembly Using the tweezers, place the top bracket to the back cover module and press down on it in its position smoothly. Be careful not to damage the battery. Be careful not to damage the bracket and near components. Check the screw 3229 (26 ea) and fasten them on the brackets using a cross-head screwdriver.
  • Page 123 Disassembly and Assembly Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws. Reassemble the Screen to complete assembly.
  • Page 124: Speaker

    Disassembly and Assembly Speaker 1 Disassembly Remove the Screen first before you begin. Check for the disassembly steps of the Front Camera and completely separate the top bracket and disconnect the battery connector. Check the 4 screws on the speaker module, the screw on the main board, and the screw on the Wi-Fi board.
  • Page 125 Disassembly and Assembly Using the tweezers, disconnect the 6 connectors first and disconnect the 3 coaxial cable connectors (Blue/White/Blue) from the main board. In case of the coaxial cable (Blue) at the top, lift up and separate it from the rear camera module. For the 5G or LTE devices, disconnect the 4 coaxial cable connectors (Blue/Grey/White/Red) additionally.
  • Page 126 Disassembly and Assembly...
  • Page 127 Disassembly and Assembly...
  • Page 128 Disassembly and Assembly...
  • Page 129 Disassembly and Assembly Remove the front camera and all the cables additionally to disassemble only the main board.
  • Page 130 Disassembly and Assembly Using the tweezers, remove the Wi-Fi board completely. Be careful not to damage the battery. Be careful not to damage the cables and near components.
  • Page 131 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back side of the speaker module for 3 minutes. It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 132 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker module carefully. Lift up on the separator groove and remove it from the back cover module. For the 5G or LTE devices, separate the 2 coaxial cables (Blue/Grey) from the speaker module while removing the speaker.
  • Page 133 Disassembly and Assembly Using the tweezers, remove the coaxial cable (White) completely from the speaker. Be careful not to damage the cable.
  • Page 134: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all adhesive tapes from where the speaker was attached.
  • Page 135 Disassembly and Assembly Remove all release films from the new speaker module. Align the new speaker adhesive tape precisely to its position of the back cover module and attach it. Gently press down the tape with your fingers to ensure a secure fit.
  • Page 136 Disassembly and Assembly Remove the release film from the attached tape carefully. Place the new speaker module to the exact position, and assemble it to the back cover module. Press down softly and evenly on the speaker module so that the speaker module can be completely assembled.
  • Page 137 Disassembly and Assembly...
  • Page 138 Disassembly and Assembly...
  • Page 139 Disassembly and Assembly Using the tweezers, place the Wi-Fi board to the exact position, and assemble it to the back cover module. Press down on it in its position smoothly. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. •...
  • Page 140 Disassembly and Assembly Using the tweezers and your fingers, connect the 6 connectors and the 3 coaxial cable connectors (Blue/White/Blue) to the main board. In case of the coaxial cable (Blue) at the top, assemble it to the exact position over the rear camera module. For the 5G or LTE devices, connect the 4 coaxial cable connectors (Blue/Grey/White/ Red) additionally.
  • Page 141 Disassembly and Assembly...
  • Page 142 Disassembly and Assembly Check the screw 3369 (4 ea) and fasten them on the speaker module using a cross-head screwdriver. Then, check and fasten the screw 3463 (1 ea) on the main board and the screw 3443 (1 ea) on the Wi-Fi board using a cross-head screwdriver. Be careful not to damage the main board and near components.
  • Page 143 Disassembly and Assembly...
  • Page 144 Disassembly and Assembly Check for the reassembly steps of the Front Camera and connect the battery connector and completely reassemble the top bracket. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 145: Speaker

    Disassembly and Assembly Speaker 2 Disassembly Remove the Screen first before you begin. Check for the disassembly steps of the Front Camera and completely separate the top bracket and disconnect the battery connector. Check the 2 screws on the speaker module and the screw on the main board. Remove all 3 screws using a cross-head screwdriver.
  • Page 146 Disassembly and Assembly Check for the disassembly steps of the Speaker 1 and disconnect the connectors and the coaxial cable connectors, and then remove the main board completely.
  • Page 147 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back side of the speaker module for 3 minutes. It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 148 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker module carefully. Lift up on the separator groove and remove the speaker from the back cover module. Be careful not to damage the cables.
  • Page 149: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all adhesive tapes from where the speaker was attached.
  • Page 150 Disassembly and Assembly Align the new speaker adhesive tape precisely to its position of the back cover module and attach it. Gently press down the tape with your fingers to ensure a secure fit. Remove the release film from the attached tape carefully.
  • Page 151 Disassembly and Assembly Using the tweezers, place the new speaker module to the exact position, and assemble it to the back cover module. Press down softly and evenly on the speaker module so that the speaker module can be completely assembled. Be careful not to damage the battery.
  • Page 152 Disassembly and Assembly Check for the reassembly steps of the Speaker 1 and completely reassemble the main board. Then, connect the connectors and the coaxial cable connectors.
  • Page 153 Disassembly and Assembly Check the screw 3369 (2 ea) and fasten them on the speaker module using a cross-head screwdriver. Then, check and fasten the screw 3463 (1 ea) on the main board. Be careful not to damage the main board and near components. •...
  • Page 154 Disassembly and Assembly Check for the reassembly steps of the Front Camera and connect the battery connector and completely reassemble the top bracket. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 155: Speaker

    Disassembly and Assembly Speaker 3 Disassembly Remove the Screen first before you begin. Check for the disassembly steps of the Charging Port and completely separate all the brackets and disconnect the battery connector. Check the 3 screws on the speaker module, the screw on the main board, and the 4 screws on the charging port.
  • Page 156 Disassembly and Assembly Check for the disassembly steps of the Speaker 1 and disconnect the connectors and the coaxial cable connectors, and then remove the main board completely.
  • Page 157 Disassembly and Assembly For the 5G or LTE devices, completely lift up the coaxial cable (Red) with the tweezers first from the speaker module. Using the tweezers, lift up on the separator groove of the charging port and separate it from the back cover module slowly. For the 5G or LTE devices, disconnect the coaxial cable connector (Grey) on the back of charging port module with the tweezers.
  • Page 158 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back side of the speaker module for 3 minutes. It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 159 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker module carefully. Lift up on the separator groove and remove the speaker from the back cover module. Be careful not to damage the cables. The cables and connectors may vary depending on the country, region, or specifications.
  • Page 160 Disassembly and Assembly For the 5G or LTE devices, remove the coaxial cable (White) completely from the speaker with the tweezers. Be careful not to damage the cable. The coaxial cable (White) is only available for the 5G or LTE devices. •...
  • Page 161: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all adhesive tapes from where the speaker was attached.
  • Page 162 Disassembly and Assembly For the 5G or LTE devices, assemble the separated coaxial cable (White) to the new speaker module carefully with the tweezers or your fingers. Be careful not to damage the cables and speaker module. The coaxial cable (White) is only available for the 5G or LTE devices. •...
  • Page 163 Disassembly and Assembly Remove all release films from the new speaker module. Align the new speaker adhesive tape precisely to its position of the back cover module and attach it. Gently press down the tape with your fingers to ensure a secure fit.
  • Page 164 Disassembly and Assembly Remove the release film from the attached tape carefully. Using the tweezers, place the new speaker module to the exact position, and assemble it to the back cover module. Press down softly and evenly on the speaker module so that the speaker module can be completely assembled.
  • Page 165 Disassembly and Assembly Place the charging port module on the back cover module. For the 5G or LTE devices, connect the coaxial cable connector (Grey) on the back of the charging port with the tweezers and your fingers. Insert the charging port module into the exact position of the back cover module and press down on it in its position softly.
  • Page 166 Disassembly and Assembly...
  • Page 167 Disassembly and Assembly Check for the reassembly steps of the Speaker 1 and completely reassemble the main board. Then, connect the connectors and coaxial cable connectors. Check the screw 3369 (3 ea) and fasten them on the speaker module using a cross-head screwdriver.
  • Page 168 Disassembly and Assembly...
  • Page 169 Disassembly and Assembly Check for the reassembly steps of the Charging Port and connect the battery connector and completely reassemble all brackets. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 170: Speaker

    Disassembly and Assembly Speaker 4 Disassembly Remove the Screen first before you begin. Check for the disassembly steps of the Charging Port and completely separate all the brackets and disconnect the battery connector. Check the 3 screws on the speaker module, and the 4 screws on the charging port. Remove all 7 screws using a cross-head screwdriver.
  • Page 171 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the charging port and separate it from the back cover module slowly. Then, disconnect the flex cable connector on the back of charging port module with the tweezers. For the 5G or LTE devices, disconnect the 2 coaxial cable connectors (Red/Grey) additionally.
  • Page 172 Disassembly and Assembly...
  • Page 173 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back side of the speaker module for 3 minutes. It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 174 Disassembly and Assembly Coaxial cable (Grey) Coaxial cable (Blue)
  • Page 175: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all adhesive tapes from where the speaker was attached.
  • Page 176 Disassembly and Assembly Align the new speaker adhesive tape precisely to its position of the back cover module and attach it. Gently press down the tape with your fingers to ensure a secure fit. Remove the release film from the attached tape carefully.
  • Page 177 Disassembly and Assembly For the 5G or LTE devices, connect the 2 coaxial cables (Grey/Blue) to the new speaker module carefully. Place the new speaker module to the exact position, and assemble it to the back cover module. Press down softly and evenly on the speaker module so that the speaker module can be completely assembled.
  • Page 178 Disassembly and Assembly Coaxial cable (Grey)
  • Page 179 Disassembly and Assembly Place the charging port module on the back cover module and connect the flex cable connector on the back of charging port with the tweezers and your fingers. For the 5G or LTE devices, connect the coaxial cable connectors (Red/Grey). Insert the charging port module into the exact position of the back cover module and press down on it in its position softly.
  • Page 180 Disassembly and Assembly Check the screw 3369 (3 ea) and fasten them on the speaker module using a cross-head screwdriver. Then, check and fasten the screw 3443 (4 ea) on the charging port using a cross-head screwdriver. Be careful not to damage the main board and near components. •...
  • Page 181 Disassembly and Assembly Check for the reassembly steps of the Charging Port and connect the battery connector and completely reassemble all brackets. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 182: Button

    Disassembly and Assembly Button The buttons are already built into the back cover module. Disassemble the buttons only if the buttons themselves require repairs. Disassembly To remove the Volume button or the Side button, lightly press one end of the button with your fingers so that the other end protrudes.
  • Page 183 Disassembly and Assembly...
  • Page 184: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Remove the release film of the new Volume button. Using your fingers, grab the Volume button and insert it on the slot carefully.
  • Page 185 Disassembly and Assembly Press down the Volume button softly and evenly so that the button can be completely assembled. Press the button to make sure it clicks. It should have the same sound and feel as before disassembly. Remove the release film of the new Side button. Using your fingers, grab the Side button and insert it on the slot carefully.
  • Page 186 Disassembly and Assembly Press down the Side button softly and evenly so that the button can be completely assembled. Press the button to make sure it clicks. It should have the same sound and feel as before disassembly.
  • Page 187: Back Cover Module

    Disassembly and Assembly Back Cover Module The back cover module consists of the back cover, metal bracket, and battery. Disassembly Remove the SIM Card Tray Screen first before you begin. Check for the disassembly steps of the Charging Port and completely separate all the brackets and disconnect the battery connector.
  • Page 188 Disassembly and Assembly Check for the disassembly steps of the Speaker 1 and disconnect the connectors and the coaxial cable connectors, and then remove the main board completely.
  • Page 189 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the ultra wide camera first and remove it. Leave the camera lens facing up. Be careful not to damage the main board and near components.
  • Page 190 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the wide camera and remove it. Leave the camera lens facing up. Check the 4 screws on the charging port and the screw on the Wi-Fi board. Remove all 5 screws using a cross-head screwdriver.
  • Page 191 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the charging port and separate it from the back cover module slowly. For the 5G or LTE devices, disconnect the 2 coaxial cable connectors (Red/Grey) on the back of the charging port. Then, remove the charging port completely.
  • Page 192 Disassembly and Assembly...
  • Page 193 Disassembly and Assembly Using the tweezers, remove the Wi-Fi board completely. Be careful not to damage the battery. Be careful not to damage the cables and near components.
  • Page 194 Disassembly and Assembly Check the 12 screws on the all speaker modules and remove them using a cross-head screwdriver. Be careful not to damage the main board and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 195 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back side of the speaker 1 for 3 minutes. It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 196 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker 1 module carefully. Lift up on the separator groove and remove the speaker 1 from the back cover module. For the 5G or LTE devices, separate the 2 coaxial cables (Blue/Grey) from the speaker 1 module while removing it.
  • Page 197 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back side of the speaker 2 for 3 minutes. It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 198 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker 2 module carefully. Lift up on the separator groove and remove the speaker from the back cover module. Be careful not to damage the speaker module and cables.
  • Page 199 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back side of the speaker 4 for 3 minutes. It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 200 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker 4 module carefully. Lift up on the separator groove and remove the speaker from the back cover module. For the 5G or LTE devices, separate the 2 coaxial cables (Grey/Blue) together while removing the speaker 4.
  • Page 201 Disassembly and Assembly Coaxial cable (Grey) Coaxial cable (Blue)
  • Page 202 Disassembly and Assembly...
  • Page 203 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back side of the speaker 3 for 3 minutes. It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 204 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker 3 module carefully. Lift up on the separator groove and remove the speaker from the back cover module. Be careful not to damage the cables and speaker module. The cables and connectors may vary depending on the country, region, or specifications.
  • Page 205 Disassembly and Assembly Using the tweezers, slowly lift up on the separator groove of the vibrator motor and remove it carefully from the back cover module. Be careful not to damage the vibrator motor.
  • Page 206 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the SIM card socket slowly and remove it carefully from the back cover module. Be careful not to damage the SIM card socket.
  • Page 207 Disassembly and Assembly For the United States 5G devices, insert the pointed end of your tweezers in the gap between the edge of the 5G mmWave antenna and the frame. Pull the antenna out of its recess until you can grab it with your fingers. Then, remove the 5G mmWave antenna.
  • Page 208: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. For the United States 5G devices, reassemble the 5G mmWave antenna first before you begin.
  • Page 209 Disassembly and Assembly Using the tweezers, insert the 5G antenna module in the slot and press down lightly with your fingers so that the antenna module is fully fitted. Be careful not to damage the battery. When assembling the 5G mmWave antenna module, be careful not to bend it. •...
  • Page 210 Disassembly and Assembly Using the tweezers, remove the adhesive tape on the bottom of the SIM card socket. Be careful not to damage the SIM card socket. Remove the clear film from the new SIM card socket adhesive tape and apply it to the bottom of the SIM card socket.
  • Page 211 Disassembly and Assembly Using the tweezers, assemble the SIM card socket to the exact position of the back cover module and press it down lightly with your fingers so that it is fully attached. Be careful not to damage the near components. Using the tweezers, remove the adhesive tape on the bottom of the vibrator motor.
  • Page 212 Disassembly and Assembly Remove the clear film from the new vibrator motor adhesive tape and apply it to the bottom of the vibrator motor. Press the tape with your fingers softly so that the tape can be attached well. Then, remove the release film from the adhesive tape. Be careful not to damage the vibrator motor.
  • Page 213 Disassembly and Assembly Prepare the speaker 3 module to assembly and the new FPCB adhesive tape (1 ea) to be attached to the speaker 3 module. Remove the release film from the new FPCB tape and attach it to the FPCB of speaker 3 module with the tweezers. Press the tape with your fingers so that it can be attached well.
  • Page 214 Disassembly and Assembly Remove all release films from the speaker 3 module. Using the tweezers, place the speaker module to the exact position, and assemble it to the back cover module. Press down softly and evenly on the speaker 3 module so that the speaker module can be completely assembled.
  • Page 215 Disassembly and Assembly Prepare the speaker 4 module to assembly and the new FPCB adhesive tape (1 ea) to be attached to the speaker 4 module. Remove the release film from the new FPCB tape and attach it to the FPCB of speaker 4 module with the tweezers. Press the tape with your fingers so that it can be attached well.
  • Page 216 Disassembly and Assembly Remove all release films from the speaker 4 module. Using the tweezers, place the speaker module to the exact position, and assemble it to the back cover module. Press down softly and evenly on the speaker 4 module so that the speaker module can be completely assembled.
  • Page 217 Disassembly and Assembly For the 5G or LTE devices, assemble the 2 coaxial cables (Blue/Grey) to the back cover module while assembling the speaker 4. Be careful not to damage the battery. Be careful not to damage the cables. The 2 coaxial cables (Blue/Grey) are only available for the 5G or LTE devices. •...
  • Page 218 Disassembly and Assembly Coaxial cable (Blue) Coaxial cable (Grey) Prepare the speaker 2 module to assembly and the new FPCB adhesive tape (1 ea) to be attached to the speaker 2 module. Remove the release film from the new FPCB tape and attach it to the FPCB of speaker 2 module with the tweezers.
  • Page 219 Disassembly and Assembly Using the tweezers and your fingers, remove the film attached on the speaker 2 position of the back cover module. Remove all release films from the speaker 2 module. Using the tweezers, place the speaker 2 module to the exact position, and assemble it to the back cover module. Press down softly and evenly on the speaker 2 module so that the speaker module can be completely assembled.
  • Page 220 Disassembly and Assembly...
  • Page 221 Disassembly and Assembly Prepare the speaker 1 module to assembly and the new FPCB adhesive tapes (2 ea) to be attached to the speaker 1 module. Remove all release films from the new FPCB tapes and attach them one by one to the FPCB of speaker 1 module with the tweezers. Press the tapes with your fingers so that they can be attached well.
  • Page 222 Disassembly and Assembly Remove all release films from the speaker 1 module. Using the tweezers, place the speaker 1 module to the exact position, and assemble it to the back cover module. Press down softly and evenly on the speaker 1 module so that the speaker module can be completely assembled.
  • Page 223 Disassembly and Assembly For the 5G or LTE devices, connect the 2 coaxial cables (Blue/Grey) to the speaker 1 module while assembling the speaker 1. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. •...
  • Page 224 Disassembly and Assembly Check the screw 3369 (12 ea) and fasten the 4 screws on the speaker 1 module, the 2 screws on the speaker 2 module, the 3 screws on the speaker 3 module, and the 3 screws on the speaker 4 module. Be careful not to damage the main board and near components.
  • Page 225 Disassembly and Assembly Place the charging port module on the back cover module. For the 5G or LTE devices, connect the 2 coaxial cables connectors (Red/Grey) on the back of charging port with the tweezers and your fingers. Insert the charging port module into the exact position of the back cover module and press down on it in its position softly.
  • Page 226 Disassembly and Assembly Check the screw 3443 (5 ea) and fasten the 4 screws on the charging port and the screw on the Wi-Fi board using a cross-head screwdriver. Be careful not to damage the main board and near components. •...
  • Page 227 Disassembly and Assembly Using the tweezers and your fingers, gently insert the ultra wide camera into the camera hole so that the lens faces backward. Press down on the rear cameras with your fingers so that the cameras can be completely assembled.
  • Page 228 Disassembly and Assembly Check for the reassembly steps of the Speaker 1 and completely reassemble the main board. Then, connect the connectors and coaxial cable connectors. Check the screw 3463 (1 ea) and fasten it on the main board using a cross-head screwdriver.
  • Page 229 Disassembly and Assembly Check for the reassembly steps of the Charging Port and connect the battery connector and completely reassemble all the brackets. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 230: Battery

    Disassembly and Assembly Battery The battery can only be replaced at an authorised repair shop. If the battery is • faulty, contact Samsung for further action. The separated battery may be damaged. Do not use it again. • Disassembly Remove the Screen first before you begin.
  • Page 231 Disassembly and Assembly...
  • Page 232 Disassembly and Assembly Using your fingers, hold the tapes (marked as 1) attached to the downside of the battery and separate them from the battery in order. Then, separate the tapes (marked as 2) from the battery in order. Next, grab the tapes (marked as 2) with your fingers and pull it up one by one carefully.
  • Page 233 Disassembly and Assembly...
  • Page 234 Disassembly and Assembly...
  • Page 235 Disassembly and Assembly...
  • Page 236 Disassembly and Assembly...
  • Page 237 Disassembly and Assembly...
  • Page 238 Disassembly and Assembly...
  • Page 239: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Remove the remaining adhesive tapes on the back cover module. Make sure to remove any residual tapes attached to the back cover module •...
  • Page 240 Disassembly and Assembly Using your fingers, carefully remove all release films from the new battery. Be careful not to damage the battery.
  • Page 241 Disassembly and Assembly With the battery connector on the top, carefully place the battery based on the upper side of the battery. Then, assemble the battery to the exact position of the back cover module using your fingers. Be careful not to damage the battery. The FPCB cables and connectors have to positioned outside so as not to •...
  • Page 242 Disassembly and Assembly Press the battery with your fingers softly so that the battery can be attached well. Be careful not to damage the battery. The FPCB cables and connectors have to positioned outside so as not to • interfere when assembling the battery. Be careful not to damage the near components.
  • Page 243 Disassembly and Assembly Now you can press the fully assembled battery using the press fixture. Remove the press fixture body and its handle from the rental tool kit packaging. Keep your hands out of the press fixture to avoid mechanical pinching and injury. This tool is only available to use by the rental of tool kit that contains a •...
  • Page 244 Disassembly and Assembly Remove the bottom press tray and the battery rubber pads (3 ea) from the rental tool kit packaging. Leave the inside of the bottom press tray visible and carefully place the device into the tray facing up.
  • Page 245 Disassembly and Assembly Using your fingers, press down the all edges carefully and make sure that the device is completely secured to the bottom tray. Be careful not to damage the battery. Be careful not to damage the device and near components. Choose a top battery-sized pad from the provided battery rubber pads and place it carefully on the top battery.
  • Page 246 Disassembly and Assembly Position the bottom tray with the device lengthwise in the centre of the press fixture so that the top battery is fully placed into the press fixture. The FPCB cables and connectors have to be positioned outside so as not to •...
  • Page 247 Disassembly and Assembly Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray for 5 seconds. Keep your hands out of the press fixture to avoid mechanical pinching and injury. When you reach the required maximum force (1 N), a sound is made from the handle if you turn the handle.
  • Page 248 Disassembly and Assembly When the press is completed after 5 seconds, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture. The FPCB cables and connectors have to be positioned outside so as not to •...
  • Page 249 Disassembly and Assembly Position the bottom tray with the device lengthwise in the centre of the press fixture so that the bottom battery is fully placed into the press fixture. The FPCB cables and connectors have to be positioned outside so as not to •...
  • Page 250 Disassembly and Assembly Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray for 5 seconds. Keep your hands out of the press fixture to avoid mechanical pinching and injury. When you reach the required maximum force (1 N), a sound is made from the handle if you turn the handle.
  • Page 251 Disassembly and Assembly When the press is completed after 5 seconds, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture. The FPCB cables and connectors have to be positioned outside so as not to •...
  • Page 252 Disassembly and Assembly Using the tweezers, place the screen flex cable to its position of the back cover module and connect the 3 flex cable connectors to the main board. Be careful not to damage the battery. Be careful not to damage the main board and near components.
  • Page 253 Repair Assistant app after repairing and assembling your device. Refer to Calibrations for more information. Visit a Samsung Service Centre when finding some issues from the calibration • results. However, you may incur additional charges if the device has a...
  • Page 254: Directive 2012/19/Eu Annex Vii Components

    Disassembly and Assembly Directive 2012/19/EU Annex VII Components Directive 2012/19/EU Annex VII requirements apply to the following components. Component Samsung Part Name Removal Instructions Printed circuit board Check for the disassembly steps if the surface is Main Board (PBA) of the...
  • Page 255 This guide is a property of Samsung Electronics Co., Ltd. Any unauthorised use of guide can be punished under applicable international and/or domestic law. © Samsung Electronics Co., Ltd.
  • Page 256 SPK Amp SPK Amp DCDC #2 SPK Amp DCDC #3 SPK Amp Clock IC CAMERA POWER FRONT CAM LPAMid REAR UW CAM TRANSCIEVER LFEMid REAR WIDE CAM BT/WIFI SIM/BT/WIFI/GPS DISPLAY MAIN Display SIM / SD Socket eSIM No eSIM for SM-X820...

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