Samsung SM-A366B Repair Manual
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Samsung SM-A366B Repair Manual

Samsung SM-A366B Repair Manual

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REPAIR GUIDE
SM-A366B
SM-A366U
SM-A366U1
English. 06/2025. Rev.1.1
www.samsung.com

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Summary of Contents for Samsung SM-A366B

  • Page 1 REPAIR GUIDE SM-A366B SM-A366U SM-A366U1 English. 06/2025. Rev.1.1 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 40 Touch Screen Panel Calibration 42 Speaker Calibration 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 Tools for Disassembly and Assembly 56 Fasteners (Adhesives and Materials) for Assembly 58 Disassembly and Reassembly for replacement...
  • Page 4 Table of Contents Front Camera Disassembly 98 Reassembly 99 Rear Camera 99 Disassembly 102 Reassembly 106 Button 106 Disassembly 107 Reassembly 109 Screen Module 109 Disassembly 115 Reassembly 121 Screen 121 Disassembly 129 Reassembly 147 Battery 147 Disassembly 150 Reassembly 160 Directive 2012/19/EU Annex VII Components...

  • 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. This image is an example of the QR code. Make sure to scan the QR code on the battery package. 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 product’s composition may vary depending on the country, region, or carrier. Exploded View QUB01 QVO01 QCK01 QFR01 QSM01 QBR02 QME03 QCA02 QCA03 QCA01 QFP01 QCA04 QMP01 QIF01 QCR560 QMI11 QCR001 QBA01 QME01...

  • Page 50: Parts List

    Exploded View and Parts List Parts List Number Name QCR524 Screw 3524 QCR560 Screw 3560 QCA03 Rear Camera(Ultra Wide) QCA04 Rear Camera(Macro) QCA02 Front Camera QCA01 Rear Camera(Wide) QSP02 Top Speaker QCR001 Screw 3554 QFP01 Fingerprint Recognition Sensor QSP01 Bottom Speaker QIF01 Charging Port QMI11...

  • Page 51: 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 52 Disassembly and Assembly Tool & Part Code Image Description Prevent electrostatic damage ESD Safe Mat (recommended) Ejection Pin Pin for ejecting the SIM Card Tray Cross-head Tools for screwing in cross-head Screwdriver screws Tool for disassembling the back Opening Pick cover, screen, and other parts Tool for disassembling the Opening Tool...
  • Page 53 Disassembly and Assembly Tool & Part Code Image Description Tool for handling connectors, cables, and other parts Because it is possible • to damage parts or ESD Safe Tweezers components when using sharp tweezers, use and Round tip metal tweezers tweezers made with plastic or rubber material.
  • Page 54 Disassembly and Assembly Tool & Part Code Image Description Tool to place the device when pressing the back cover, screen, or battery using the press fixture This tool is available to use • by the rental of tool kit that contains a complete set of the tools for self repair Bottom Press Tray...
  • Page 55 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 56: 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 Double sided adhesive tape Back Cover for attaching the back cover Adhesive tape to the device frame Screw 3524 Screws for the rear...
  • Page 57 Disassembly and Assembly Item Quantity Image Description Double sided adhesive tape for attaching the sides of screen to the device frame Screen Side This tape is only Adhesive tape available when the screen itself is repaired. Double sided adhesive tape for attaching the left of the screen to the metal frame Screen Left...

  • Page 58: 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 59 Disassembly and Assembly Press the acrylic protective cover with strong force so that it is strongly attached to the glass. Wait more than 5 minutes until the bond between the acrylic protective cover and the glass is strengthened. Acrylic protective cover Follow the disassembly steps in this guide.

  • Page 60: 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 61: 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. Insert SIM card tray back into the slot. Ensure that there are no abnormalities.

  • Page 62: Back Cover

    Disassembly and Assembly Back Cover Disassembly When removing the back cover, ensure that the device is fixed on a flat surface. Heat the microwaveable heating bag and apply it on the back cover for 3 minutes to soften the adhesive. It is possible for the device or battery to be damaged by heat.
  • Page 63 Disassembly and Assembly Place the suction cup in the centre of the left edge of the back cover, and lift it upwards carefully. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use. As the back cover can be damaged by excessive force, be careful not to damage •...
  • Page 64 Disassembly and Assembly While pulling up the suction cup with strong, steady force to create the gap between the back cover and the screen module, place the opening pick in the gap between the back cover and the screen module and slide the opening pick back and forth along the edge to slice through the adhesive.
  • Page 65 Disassembly and Assembly...

  • Page 66: 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 back cover, 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 67 Disassembly and Assembly Remove the transparent film of the new back cover adhesive tape. Align the adhesive tape precisely on the device frame and attach it. Using the tweezers, gently press around the edges to ensure a secure fit.
  • Page 68 Disassembly and Assembly Remove the release film of the adhesive tape with grabbing the green film handle. Attach the back cover and press down on the edges of the back cover. Check the gap between back cover and the device frame. If you feel the some gap, remove the back cover and attach it again.
  • Page 69 Disassembly and Assembly Press down the edges of the back cover evenly in order to attach the back cover perfectly. Ensure that there are no abnormalities. Now you can press the fully assembled back cover using the press fixture. Remove the press fixture body and its handle from the rental tool kit packaging.
  • Page 70 Disassembly and Assembly Carefully position the torque limit handle horizontally at the top of the press fixture. Keep your hands out of the press fixture to avoid mechanical pinching and injury. Remove the bottom press tray, top press tray, and top rubber pad for the back cover from the rental tool kit packaging.
  • Page 71 Disassembly and Assembly Leave the bottom press tray so that the side for the back cover is visible. Then, place the device into the tray facing down. You can choose the one side of the bottom press tray depending on the back •...
  • Page 72 Disassembly and Assembly Insert the top rubber pad for the back cover into the top press tray. Press down the edges of the rubber pad entirely using your fingers and make sure that the pad is pressed in completely. The rubber pad may vary depending on the device.
  • Page 73 Disassembly and Assembly Carefully place the top press tray over the bottom press tray. Position the entire back cover press tray with the device horizontally in the centre of the press fixture.
  • Page 74 Disassembly and Assembly Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray for 1 minute. 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 75 Disassembly and Assembly Remove the device carefully from the tray. If only a single back cover has been repaired, the press roller and stamp can be bundled with the ordered parts and you can also further press the fully assembled back cover using the bundle tool.
  • Page 76 Disassembly and Assembly...
  • Page 77 Disassembly and Assembly...

  • Page 78: Top Speaker

    Disassembly and Assembly Top Speaker Disassembly Remove Back Cover first before you begin. The top speaker is built into the rear top. Check and remove the screws at the 10 different points at the top of the rear using a cross-head screwdriver.
  • Page 79 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the rear top and remove it carefully. Be careful not to damage the main board and near components.

  • Page 80: 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, assemble the rear top above the main board and press down on it in its position with your fingers.
  • Page 81 Disassembly and Assembly Check the screw 3524 (10 ea) at the 10 different points on the top of rear, and fasten them using a cross-head screwdriver. Be careful not to damage the main board and near components.
  • Page 82 Disassembly and Assembly Check carefully 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 Back Cover to complete assembly.

  • Page 83: Bottom Speaker

    Disassembly and Assembly Bottom Speaker Disassembly Remove Back Cover first before you begin. The bottom speaker is built into the rear bottom. Check and remove the screws at the 7 different points at the bottom of the rear using a cross-head screwdriver. 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 84 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the rear bottom and remove it carefully. Be careful not to damage the charging port and near components.

  • Page 85: 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, assemble the rear bottom above the charging port and press down on it in its position with your fingers.
  • Page 86 Disassembly and Assembly Check the screw 3524 (7 ea) at the 7 different points on the top of rear, and fasten them using a cross-head screwdriver. Be careful not to damage the near components.
  • Page 87 Disassembly and Assembly Check carefully 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 Back Cover to complete assembly.

  • Page 88: Charging Port And Microphone

    Disassembly and Assembly Charging Port and Microphone The microphone is built into the charging port module. Disassembly Remove SIM Card Tray Back Cover first before you begin. Check and remove the screws at the 17 different points at the top and bottom of the rear using a cross-head screwdriver.
  • Page 89 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the rear top and remove it carefully. Be careful not to damage the main board and near components. Using the tweezers, disconnect the battery connector from the main board. Then lift up on the separator groove of rear bottom and remove it carefully.
  • Page 90 Disassembly and Assembly Disconnect the 3 connectors from the charging port using the tweezers. Be careful not to damage the charging port and the near components. Check the 2 screws on the charging port and remove them using a cross-head screwdriver.
  • Page 91 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the charging port module, and remove the charging port module carefully. Be careful not to damage the charging port and the near components.

  • Page 92: 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. Insert the charging port module to the bottom device frame of device, and press down on it in its position smoothly.
  • Page 93 Disassembly and Assembly Connect the 3 connectors to the charging port. Be careful not to damage the cable. • Be careful not to damage the charging port and near components. • Assemble the rear bottom above the charging port and press down on it in its position with your fingers.
  • Page 94 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. Assemble the rear top above the main board and press down on it in its position with your fingers.
  • Page 95 Disassembly and Assembly Check the screw 3524 (17 ea) at the 17 different points on the top and bottom of rear, and fasten them using a cross-head screwdriver. Be careful not to damage the near components.
  • Page 96 Disassembly and Assembly Check carefully 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 Back Cover SIM Card Tray...

  • Page 97: Front Camera

    Disassembly and Assembly Front Camera Disassembly Remove Back Cover Top Speaker first before you begin. Using the tweezers, disconnect the battery connector first from the main board. Separate the front camera connector from main board and remove the front camera carefully from device.

  • Page 98: 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 front camera in the camera hole so that the lens faces forward, and gently insert the front camera.

  • Page 99: Rear Camera

    Disassembly and Assembly Rear Camera Separate and replace only the problematic camera. Disassembly Remove Back Cover Top Speaker first before you begin. Using the tweezers, disconnect the battery connector first from the main board. If you need to replace the macro camera, disconnect the macro camera connector from the main board and carefully remove the macro camera from the device.
  • Page 100 Disassembly and Assembly Check the 1 screw on the main board, and remove them using a cross-head screwdriver. Be careful not to damage the main board and the 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 101 Disassembly and Assembly Using the tweezers, separate the rear camera connectors from the main board and remove the rear camera carefully from the device. Leave the camera lens facing up. Be careful not to touch the camera lens while removing the camera. •...

  • 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. Connect the rear camera connectors to the main board. Leave the camera lens facing Be careful not to drop the camera while connecting the connector.
  • Page 103 Disassembly and Assembly Align the main board module onto the device frame. After attaching the upper part of the main board diagonally on the screen module, assemble the lower part. Be careful not to damage the battery. Be careful not to damage the battery connector. •...
  • Page 104 Disassembly and Assembly Connect the 2 FPCB cable connectors on the main board. Be careful not to damage the cable. • Be careful not to damage the main board and near components. • If you have removed the macro camera, connect the macro camera connector to the main board.
  • Page 105 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. Reassemble Top Speaker Back Cover to complete assembly.

  • Page 106: Button

    Disassembly and Assembly Button The buttons are already built in the screen module. Disassemble the buttons only if the buttons themselves require the 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 107: 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 release film of the new Volume button. Use your fingers to grab the volume button and insert the button on the slot carefully.
  • Page 108 Disassembly and Assembly Remove the release film of the new Side button. Use your fingers to grab the side button and insert the button on the slot carefully. Be careful not to damage the button and device. Press down the Side button softly and evenly so that the button can be completely assembled.

  • Page 109: Screen Module

    Disassembly and Assembly Screen Module The screen module consists of the screen, device frame, and battery. Disassembly Remove SIM Card Tray Back Cover first before you begin. Check for the disassembly steps of the Charging Port and Microphone and completely separate up to the rear bottom.
  • Page 110 Disassembly and Assembly Using the tweezers, disconnect the 3 flex cable connectors and remove the flex cable completely. When removing the connectors, be careful not to damage the cable. • Be careful not to damage the near components. • Using the tweezers, disconnect the 2 flex cable connectors and remove the flex cable completely.
  • Page 111 Disassembly and Assembly Check the 1 screw on the main board, and remove them using a cross-head screwdriver. Be careful not to damage the main board and the 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 112 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the main board, and remove it carefully. Be careful not to damage the battery. Be careful not to damage the battery connector, and the main board. • Be careful not to damage the near components and top C-clip.
  • Page 113 Disassembly and Assembly Using the tweezers, separate the connector of the fingerprint recognition sensor carefully from the charging port and remove the fingerprint recognition sensor completely, and leave the sensor facing up. Be careful not to damage the battery. Be careful not to damage the fingerprint recognition sensor. •...
  • Page 114 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the charging port module, and remove the charging port module carefully. Be careful not to damage the charging port and the near components.

  • Page 115: 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, insert the charging port module to the bottom device frame of device and press down on it in its position smoothly.
  • Page 116 Disassembly and Assembly Assemble the fingerprint recognition sensor to the exact position and connect its connector carefully to the charging port. Be careful not to damage the battery. Be careful not to damage the fingerprint recognition sensor. • Be careful not to damage the charging port and the near components. •...
  • Page 117 Disassembly and Assembly Align the main board module onto the device frame. After attaching the upper part of the main board diagonally on the screen module, assemble the lower part. Be careful not to damage the battery. Be careful not to damage the battery connector. •...
  • Page 118 Disassembly and Assembly Check the screw 3560 (1 ea) at the different point on the main board and fasten the 1 screw using a cross-head screwdriver. Be careful not to damage the main board and the near components. Place the flex cable to the device frame and connect the 2 connectors carefully. Be careful not to damage the main board and the near components.
  • Page 119 Disassembly and Assembly Place the flex cable to the device frame and connect the 3 connectors carefully. Check for the reassembly steps of the Charging Port and Microphone and completely reassemble up to the rear bottom and top.
  • Page 120 Disassembly and Assembly Check carefully 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 Back Cover SIM Card Tray...

  • Page 121: Screen

    Disassembly and Assembly Screen Disassembly Remove SIM Card Tray Back Cover first before you begin. Check for the disassembly steps of the Screen Module and completely separate up to the main board.
  • Page 122 Disassembly and Assembly Using the tweezers, separate the connector of the fingerprint recognition sensor carefully from the charging port. Be careful not to damage the charging port and the near components. Check the 2 screws on the charging port and remove them using a cross-head screwdriver.
  • Page 123 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the charging port module, and remove the charging port module carefully. Be careful not to damage the charging port and the near components. Using the tweezers, separate the screen connector carefully from the screen module.
  • Page 124 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back of the device bottom for 4 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 125 Disassembly and Assembly Put the device down so that the half of device bottom comes out of the desk. Then, press the screen chip part at the bottom with the back of the plastic tweezers and separate the bottom edges of screen carefully from the device frame. Be careful not to damage the battery.
  • Page 126 Disassembly and Assembly Place the opening pick in the gap between the bottom right edge of the screen and the device frame and slice through the adhesive of screen edge. Repeat this on the bottom left edge of the screen. Make sure to leave the opening pick inserted in the edges to prevent the adhesive from resealing.
  • Page 127 Disassembly and Assembly Heat the microwaveable heating bag and apply it on the screen for 3 minutes to soften the adhesive. 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 128 Disassembly and Assembly Place the suction cup at the bottom of the screen and gently pull it upwards with a slow and steady force to detach the screen from the device frame. Lift up the screen slowly and remove it completely from the device. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use.

  • Page 129: 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, remove all adhesive tapes on the device frame. Make sure to remove any residual tapes attached to the device frame before •...
  • Page 130 Disassembly and Assembly Remove the transparent film of the new screen left adhesive tape. Using the tweezers, align the adhesive tape precisely on the device frame and attach it. Be careful not to damage the device and the near components. Gently press around the tape to ensure a secure fit.
  • Page 131 Disassembly and Assembly Remove the transparent film of the new screen right adhesive tape. Using the tweezers, align the adhesive tape precisely on the device frame and attach it. Be careful not to damage the device and the near components. Gently press around the tape to ensure a secure fit.
  • Page 132 Disassembly and Assembly Remove the transparent film of the new screen side adhesive tape. Using the tweezers, align the adhesive tape precisely on the device frame and attach it. Be careful not to damage the device and the near components. Using the tweezers, gently press around the edges of tape to ensure a secure fit.
  • Page 133 Disassembly and Assembly Using the tweezers, remove all release films of the attached adhesive tapes one by one. Be careful not to damage the device and the near components. Carefully insert the screen connector of the new screen into the screen connector hole of the device frame and attach the screen slowly.
  • Page 134 Disassembly and Assembly Press down the screen evenly in order to attach the screen perfectly. Ensure that there are no abnormalities. 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.
  • Page 135 Disassembly and Assembly Carefully position the torque limit handle horizontally at the top of the press fixture. Keep your hands out of the press fixture to avoid mechanical pinching and injury. Remove the bottom press tray, top press tray, and top rubber pad for the screen from the rental tool kit packaging.
  • Page 136 Disassembly and Assembly Leave the bottom press tray so that the side for the screen is visible. Then, place the device into the tray facing up. Insert the top rubber pad for the screen into the top press tray. Press down the edges of the rubber pad entirely using your fingers and make sure that the pad is pressed in completely.
  • Page 137 Disassembly and Assembly Carefully place the top press tray over the bottom press tray. Position the top 2/3 of the screen press tray with the device lengthwise in the centre of the press fixture.
  • Page 138 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 139 Disassembly and Assembly Position the bottom 2/3 of the screen 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 140 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. Position the entire screen press tray with the device horizontally in the centre of the press fixture.
  • Page 141 Disassembly and Assembly 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 of the press fixture to avoid mechanical pinching and injury. When the third press is completed after 30 seconds, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture.
  • Page 142 Disassembly and Assembly Remove the device carefully from the tray.
  • Page 143 Disassembly and Assembly Using the tweezers, remove the existing screen connector adhesive tape carefully. Be careful not to damage the device and the near components.
  • Page 144 Disassembly and Assembly Remove the clear film of the new screen connector adhesive tape and attach it to the screen module with the tweezers. Gently press down the tape so that the tape can be attached well. Be careful not to damage the device and the near components. Remove the release film from the adhesive tape.
  • Page 145 Disassembly and Assembly Check for the reassembly steps of the Screen Module and completely reassemble up to the rear bottom and top.
  • Page 146 Disassembly and Assembly Check carefully 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 Back Cover SIM Card Tray...

  • Page 147: Battery

    Disassembly and Assembly Battery The separated battery may be damaged. Do not use it again. Disassembly Remove Back Cover first before you begin. Check for the disassembly steps of the Screen Module and completely separate up to the flex cable.
  • Page 148 Disassembly and Assembly Using your fingers, grab the 4 tape handles attached to the sides of the battery and separate it carefully from the battery. Then, grab the battery with your fingers and pull it up carefully. Slowly lift up the battery from the device and remove it completely.
  • Page 149 Disassembly and Assembly...

  • Page 150: 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, remove all the remaining adhesive tapes on the device frame. Make sure to remove any residual tapes attached to the device frame before •...
  • Page 151 Disassembly and Assembly Check the 2 white lines on the new battery FPCB cable and carefully fold the cable between the 2 white lines using your fingers. Be careful not to damage the battery. As the cable can be damaged by excessive force, be careful not to damage the cable when folding it.
  • Page 152 Disassembly and Assembly With the battery connector on the left, carefully place the battery based on the upper left side of the battery. Assemble the battery to the exact position of the device frame using your fingers. Be careful not to damage the battery. FPCB cables and connectors have to be positioned outside so as not to interfere •...
  • Page 153 Disassembly and Assembly...
  • Page 154 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 155 Disassembly and Assembly Remove the bottom press tray and the battery rubber pads (4 ea) from the rental tool kit packaging. Leave the bottom press tray so that the side for the battery is visible. Then, place the device into the tray facing down. You can choose the one side of the bottom press tray depending on the back •...
  • Page 156 Disassembly and Assembly Choose a battery-sized pad from the provided battery rubber pads and place it carefully on the battery. Be careful not to cover the battery rubber pad beyond the battery size. Position the entire bottom press tray with the device horizontally in the centre of the press fixture.
  • Page 157 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 158 Disassembly and Assembly Remove the device and the rubber pad carefully from the tray. Check for the reassembly steps of the Screen Module and completely reassemble up to the rear bottom and top.
  • Page 159 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 160: 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 of if the surface is Main Board (PBA)
  • Page 161 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 162 SENSOR Grip Memory (Storage) 6 axis Magnetic Barometer IF PMIC Ambient Direct  AUDIO Charger MAIN MIC 2nd MIC PMIC Motor RCV Amp BATTERY SPK Amp POWER   FLASH LED CAMERA + FLICKER FRONT CAM REAR RF TX & RX UW CAM TRANSCIEVER REAR RF TX & RX WIDE CAM REAR MACRO CAM SIM/BT/NFC NFC + ESIM  COMBO SIM LS (for eSIM) DISPLAY MAIN ...

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