Page 1 REPAIR GUIDE SM-X818U SM-X816B SM-X810 English. Rev.1.0 www.samsung.com...
Page 2: Table Of Contents
Updating Software through Smart Switch Recovering from a Software Update Failure Recovering on Another Computer Performing a Factory Data Reset Quality Test Quality Test Using the Samsung Members App Device Diagnostics Test Items Calibrations 25 Calibrations 25 Used Parts and Calibration Functions in Supported Models...
Page 3 Table of Contents 43 Under-display Camera Calibration (Fold Models Only) 45 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 48 Exploded View 49 Parts List Disassembly and Assembly Tools for Disassembly and Assembly 54 Fasteners (Adhesives and Materials) for Assembly Disassembly for Replacement 58 SIM Card Tray Remove 60 Button Remove...
Page 4: Usage Notices
Precautions for Repair Samsung is not liable for any damage or defect determined to be caused by repair by a non-authorized carrier, self repair or non-professional repair of the device. Samsung...
Page 5: 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 6: 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 7: 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 8: 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 9: 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 10 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 11: 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 Center to receive further instruction.
Page 12: 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 Center. Test Items Function: Check whether your device can read • near field communication (NFC) tags that contain information about products.
Page 13 ‒ 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 Center location.
Page 14 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 15 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 16 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 17 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 18 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 19 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 20 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 21 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 22 Quality Test S Pen Purpose: Check whether the S Pen is recognized 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 23 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 24 ‒ 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 25: 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 Center for further action. Any malfunctions caused by your repair may incur additional repair charges.
Page 26: 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 27 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 28 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 29 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 30 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 31: Optical Fingerprint Sensor Calibration
Calibrations Optical Fingerprint Sensor Calibration Whenever the screen is replaced, the optical fingerprint sensor must be calibrated to guarantee optimized 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 32 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 33 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 34: 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 35 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 36 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 37: 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 optimized. 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 38 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 39: 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 40 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 41: Speaker Calibration
Calibrations Speaker Calibration When replacing speakers, the speaker must be calibrated to guarantee optimized 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 42 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.
Page 43: 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 optimized 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 44 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.
Page 45: 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 46 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 47 Calibrations The calibration will perform automatically. Check the calibration result.
Page 48: 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 49: Parts List
Exploded View and Parts List Parts List Number Name QCR154 Screw 3229 QCR261 Screw 3463 QCB09 Antenna Flex Cable (Blue) QME09 Main Flex Cable (Screen to PBA) QCR215 Screw 3369 QCR257 Screw 3443 QMO01 Vibrator Motor QCB07 Antenna Flex Cable (Gray) QCB04 Antenna Flex Cable (Red) QCB02...
Page 50 Exploded View and Parts List Number Name QBR06 Bracket QSM01 SIM Card Tray QBR04 Bracket QIF01 Charging Port QFR01 Screen QSP04 Speaker (Top Left) QSP03 Speaker (Top Right) QSP02 Speaker (Bottom Right) QSP01 Speaker (Bottom Left)
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. Tool & Part Code Image Description Prevents accidents during repair Safety Goggles (protective equipment) Safety Gloves (ESD Prevents accidents during repair safe, cut-resistant) (protective equipment)
Page 52 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 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 components when using ESD Safe Tweezers sharp tweezers, use and Round Tip tweezers made with plastic Metal Tweezers or rubber material.
Page 54: 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 Screen adhesive tape Adhesive Tape for attaching the screen to metal GH81-23924A frame Screw 3229...
Page 55 Disassembly and Assembly Item Quantity Image Description Double sided SIM Card adhesive tape Socket for attaching the Adhesive Tape SIM card socket to back cover GH81-23873A module Double sided Vibrator Motor adhesive tape Adhesive Tape for attaching the vibrator motor to back cover GH81-19348A module...
Page 56 Disassembly and Assembly Item Quantity Image Description Double sided Bottom Right adhesive tape Speaker FPCB for attaching the Adhesive Tape FPCB of bottom right speaker to back cover GH81-24024A module Double sided Top Right adhesive tape Speaker FPCB for attaching the Adhesive Tape FPCB of top right speaker to back...
Page 57: Disassembly For Replacement
Disassembly and Assembly Disassembly for Replacement Before disassembling: Unplug and turn off device before disassembling. • Remove the SIM card tray from the device. • If you have an S Pen purchased separately, remove the S Pen. • Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. •...
Page 58: Sim Card Tray Remove
Disassembly and Assembly SIM Card Tray Remove Prepare the device to repair by yourself.
Page 59 Disassembly and Assembly 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. After you finish disassembling, refer to SIM Card Tray Assembly for how to reassemble.
Page 60: Button Remove
Disassembly and Assembly Button Remove The buttons are already included in the back cover module. Replace them only if they need to be repaired. Press one end of the Volume button with your fingers lightly so that the other end protrudes.
Page 61 Disassembly and Assembly Grab the Volume button with your fingers and pull out it carefully from the device. Press one end of the Side button with your fingers lightly so that the other end protrudes. Hold the tip of the protruding button carefully with the tweezers and lift it up until you can grab it with your fingers.
Page 62 Disassembly and Assembly Grab the Side button with your fingers and pull out it carefully from the device. After you finish disassembling, refer to Button Assembly for how to reassemble.
Page 63: Screen Remove
Disassembly and Assembly Screen Remove When removing the screen, ensure that the device is fixed on a flat surface. Heat the microwaveable heating bag and apply it on the left edge of the screen for 3 minutes. It is possible for the device or battery to be damaged by heat. •...
Page 64 Disassembly and Assembly Place the suction cup in the center of the left edge of the screen, and lift upwards while separating it with the opening pick. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use.
Page 65 Disassembly and Assembly Slide your opening pick along the left edge to slice the adhesive. Leave the opening pick in the center of the left edge side to prevent the adhesive from resealing. As the screen can be damaged by excessive force, be careful not to damage the •...
Page 66 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the top left edge of the screen for 3 minutes. Place the suction cup in the left of the top edge of the screen, lift upwards, and then insert the opening pick in the gap at the top left edge.
Page 67 Disassembly and Assembly Slide the opening pick back and forth along the top left edge to slice through the adhesive. Leave the opening pick inserted in the top left edge side to prevent the adhesive from resealing. As the screen can be damaged by excessive force, be careful not to damage the •...
Page 68 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the top right edge of the screen for 3 minutes. Place the suction cup in the right of the top edge of the screen, lift upwards, and then insert the opening pick in the gap at the top right edge.
Page 69 Disassembly and Assembly Slide the opening pick back and forth along the top right edge to slice through the adhesive. Leave the opening pick inserted in the top right edge side to prevent the adhesive from resealing. As the screen can be damaged by excessive force, be careful not to damage the •...
Page 70 Disassembly and Assembly Place the suction cup in the center of the right edge of the screen, and lift upwards while separating it with the opening pick. As the screen can be damaged by excessive force, be careful not to damage the •...
Page 71 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the bottom right edge of the screen for 3 minutes. Place the suction cup in the right of the bottom edge of the screen, lift upwards, and then insert the opening pick in the gap at the bottom right edge.
Page 72 Disassembly and Assembly Slide the opening pick back and forth along the bottom right edge to slice through the adhesive. Leave the opening pick inserted in the bottom right edge side to prevent the adhesive from resealing. Do not insert the opening pick more than 1 mm as this could damage the •...
Page 73 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the bottom left edge of the screen for 3 minutes. Place the suction cup in the left of the bottom edge of the screen, lift upwards, and then insert the opening pick in the gap at the bottom left edge.
Page 74 Disassembly and Assembly Slide the opening pick back and forth along the bottom left edge to slice through the adhesive. Leave the opening pick inserted in the bottom left edge side to prevent the adhesive from resealing. Do not insert the opening pick more than 1 mm as this could damage the •...
Page 75 Disassembly and Assembly Lift up the screen slowly and carefully. Separate the 2 flex cable connectors from screen with the opening pick before removing the screen completely. Make sure to separate the connectors before removing the screen completely. • Be careful not to damage the cables while removing the connectors. •...
Page 76 Disassembly and Assembly Lift the screen and separate it from the back cover module completely.
Page 77 Disassembly and Assembly Using tweezers and your fingers, remove all adhesive tapes which are located around the edges of the screen ( ). Make sure to remove any residual tape ( ) attached to the inside of the screen • before reassembling the device.
Page 78: Camera Remove
Disassembly and Assembly Camera Remove Check and remove the screws at the 20 different points on bracket. Be careful not to damage 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 79 Disassembly and Assembly Remove the bracket from back cover module with tweezers. Be careful not to damage the near components. • Be careful not to break the bracket as it is very thin. •...
Page 80 Disassembly and Assembly Using the opening pick, 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 81 Disassembly and Assembly Using the tweezers, separate a coaxial cable (Blue) from the main board. Be careful not to damage the near components and cables.
Page 82 Disassembly and Assembly Using the opening pick, disconnect the 2 camera connectors. Be careful not to damage the near components and camera. Heat the microwaveable heating bag and apply it on front and back side of the rear camera module for 3 minutes. It is possible for the device or battery to be damaged by heat.
Page 83 Disassembly and Assembly Using the tweezers, lift the separator groove up to the top of the rear camera module, remove the 2 rear cameras one by one, and leave the camera lens facing up. Be careful not to touch the camera while handing it. •...
Page 84 Disassembly and Assembly Using the opening pick, disconnect the front camera connector. Be careful not to damage the near components and camera.
Page 85 Disassembly and Assembly Remove the front camera carefully using tweezers or your fingers, and leave the camera lens facing up. Be careful not to touch the camera while handing it. • Be careful not to damage the front camera and near components. •...
Page 86: Charging Port Remove
Disassembly and Assembly Charging Port Remove Check and remove the screws at the 5 different points on bracket. Be careful not to damage 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 87 Disassembly and Assembly Using the tweezers, remove the bracket from back cover module. Be careful not to break the bracket as it is very thin.
Page 88 Disassembly and Assembly Check and remove the screws at the 3 different points on charging port. Be careful not to damage 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. Using the opening pick, separate the connector from the main board.
Page 89 Disassembly and Assembly Using the tweezers, lift up the charging port very slowly. Be careful not to damage the near components. For the 5G or LTE devices, separate the 2 coaxial cable connectors (Gray/Red) on the back of the charging port with tweezers and your fingers. Make sure to separate the coaxial cables.
Page 90 Disassembly and Assembly Separate the charging port completely from the back cover module.
Page 91 Disassembly and Assembly Using the opening pick, remove a flex cable from the charging port. After you finish disassembling, refer to Charging Port Assembly for how to reassemble.
Page 92: Main Board Remove
Main Board Remove The PBA can only be replaced at an authorized repair shop. If the PBA is faulty, contact Samsung for further instruction. Check and remove the screw on main board. 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 93 Disassembly and Assembly For the 5G or LTE devices, separate the additional coaxial cable connectors (Blue/ Gray/White/Red). Be careful not to damage the near components and cables. The coaxial cables are only available for the 5G or LTE devices. • The cables and connectors may vary depending on the country, region, or •...
Page 94 Disassembly and Assembly For the United States 5G devices, using the opening picks, separate the additional 5G mmWave antenna connector. Be careful not to damage the near components and cables. The 5G mmWave antenna module and its connectors are only available in •...
Page 95 Disassembly and Assembly Separate the 2 FPCB cable connectors from main board and remove the cable.
Page 96 Disassembly and Assembly Using the tweezers, lift up the main board from back cover module and remove it. Be careful not to damage the main board.
Page 97 Disassembly and Assembly Check and remove the screw on the Wi-Fi PBA. Be careful not to damage 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 98 Disassembly and Assembly Using the tweezers, lift up the Wi-Fi PBA from back cover module and remove it. The cables and connectors may vary depending on the country, region, or specifications. After you finish disassembling, refer to Main Board Assembly for how to reassemble.
Page 99: Speaker Remove
Disassembly and Assembly Speaker Remove Check and remove the screws at the 4 different points of speaker module to disassembly. 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 100 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 101 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker module carefully. Lift up on the separator groove and remove it from back cover module. While disassembling the speaker module, separate the attached coaxial cable (White) together. Be careful not to damage the speakers and cables. The cables and connectors may vary depending on the country, region, or specifications.
Page 102 Disassembly and Assembly Separate the attached coaxial cable (White) first from speaker module. Using the tweezers, remove the all adhesive tapes on the FPCB. Be careful not to damage the speakers and FPCB. Check and remove the screws at the 2 different points of speaker module to disassembly.
Page 103 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 104 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker module carefully. Lift up on the separator groove and remove the module from back cover module. Be careful not to damage the speakers and cables.
Page 105 Disassembly and Assembly Using the tweezers, remove the adhesive tape on the FPCB. Be careful not to damage the speakers and FPCB. Check and remove the screws at the 3 different points of speaker module to disassembly. 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 106 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 107 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker module carefully. Lift up on the separator groove and remove the speaker module from the back cover module. Be careful not to damage the speakers and cables. The cables and connectors may vary depending on the country, region, or specifications.
Page 108 Disassembly and Assembly For the 5G or LTE devices, separate the attached 2 coaxial cables (White/Red) first from the speaker module. Using the tweezers, remove the adhesive tape on the FPCB. Be careful not to damage the speakers and FPCB. Check and remove the screws at the 3 different points of the speaker module to disassembly.
Page 109 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 110 Disassembly and Assembly Using the tweezers, separate the FPCB of speaker module carefully. Lift up on the separator groove and remove the speaker module from the back cover module. Be careful not to damage the speakers and cables.
Page 111 Disassembly and Assembly For the 5G or LTE devices, separate the 2 coaxial cables (Blue/Gray) additionally. Turn the speaker upside down carefully and separate a coaxial cable (Blue) from the back of speaker using tweezers. Return the speaker module to its original state and separate the attached coaxial cable (Gray) from speaker module carefully.
Page 112 Disassembly and Assembly Coaxial cable (Blue) Coaxial cable (Gray)
Page 113 Disassembly and Assembly Using the tweezers, remove the adhesive tape on the FPCB. Be careful not to damage the speakers and FPCB.
Page 114 Disassembly and Assembly For the 5G or LTE devices, separate 2 additional coaxial cables (Blue/Gray) completely from back cover module carefully. Be careful not to damage the cables. The coaxial cables are only available for the 5G or LTE devices. •...
Page 115 Disassembly and Assembly Coaxial cable (Blue) After you finish disassembling, refer to Speaker Assembly for how to reassemble.
Page 116: Vibrator Motor Remove
Disassembly and Assembly Vibrator Motor Remove Using the tweezers, lift up on the separator groove of vibrator motor and remove it carefully from back cover module. Be careful not to damage the vibrator motor. Remove the adhesive tape on the bottom of the vibrator motor. Be careful not to damage the vibrator motor.
Page 117: Sim Card Socket Remove
Disassembly and Assembly SIM Card Socket Remove Using the tweezers, lift up on the separator groove of the SIM card socket slowly and separate the SIM card socket carefully. Be careful not to damage the near components and SIM card socket. If you feel like the SIM card socket is stuck too hard, apply a microwaveable heating bag to soften the adhesive.
Page 118 Disassembly and Assembly Remove the adhesive tape on the bottom of the SIM card socket. Be careful not to damage the SIM card socket. After you finish disassembling, refer to SIM Card Socket Assembly for how to reassemble.
Page 119: 5G Mmwave Antenna Remove
Disassembly and Assembly 5G mmWave Antenna Remove The 5G mmWave antenna is only supplied with United States devices. Insert the pointed end of your tweezers in the gap between the edge of the 5G mmWave antenna and the frame. Pry up on the antenna until you can grab it with the tweezers or your fingers. Be careful not to damage the battery.
Page 120 Disassembly and Assembly Remove the 5G mmWave antenna. When removing the 5G mmWave antenna, be careful not to damage it. Remove the adhesive tape from bottom of the 5G mmWave antenna module with tweezers or your fingers. Be careful not to damage the antenna. After you finish disassembling, refer to 5G mmWave Antenna Assembly for how to...
Page 121: Back Cover Module
Disassembly and Assembly Back Cover Module The back cover module consists of the back cover, metal bracket, and battery. As they are bonded to each other, they cannot be separated.
Page 122: Reassembly For Replacement
Disassembly and Assembly Reassembly for Replacement Before reassembling: Remove the adhesive tape residues perfectly. • Prepare all existing screws of this device and adhesive tapes. • Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. •...
Page 123: 5G Mmwave Antenna Assembly
Disassembly and Assembly 5G mmWave Antenna Assembly 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. The 5G mmWave antenna is only supplied with United States devices. Before reinstalling the 5G mmWave antenna, you need to replace the adhesive tape on the 5G mmWave antenna.
Page 124: Sim Card Socket Assembly
Disassembly and Assembly SIM Card Socket Assembly 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 clear film from new SIM card socket adhesive tape and apply it to the bottom of the SIM card socket.
Page 125: Vibrator Motor Assembly
Disassembly and Assembly Vibrator Motor Assembly 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 clear film from new vibrator motor adhesive tape and apply it to the bottom of the vibrator motor.
Page 126: Speaker Assembly
Disassembly and Assembly Speaker Assembly 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. For the 5G or LTE devices, connect 2 coaxial cables (Gray/Blue) on back cover module carefully using tweezers or your fingers.
Page 127 Disassembly and Assembly Coaxial cable (Gray) Prepare the speaker module to assembly and the new adhesive tape (1 ea) to be attached to the speaker module.
Page 128 Disassembly and Assembly Remove the release film from the new speaker FPCB tape. Using the tweezers, attach the new tape to the FPCB of speaker module. Remove the release film from the tape attached to the FPCB.
Page 129 Disassembly and Assembly For the 5G or LTE devices, first connect the 2 coaxial cables (Blue/Gray) with speaker module. Connect the coaxial cable (Gray) to the front of the speaker module first, turn the speaker module over carefully, and connect the coaxial cable (Blue). Return the speaker module to its original state.
Page 130 Disassembly and Assembly Using the tweezers, place the speaker module to the exact position, and assemble it to the back cover module. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. • Be careful not to damage the near components.
Page 131 Disassembly and Assembly Press down softly and evenly on the speaker module and the FPCB so that the speaker module can be completely attached. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. •...
Page 132 Disassembly and Assembly Check the screws 3369 (3 ea) at the 3 different points and fasten the 3 screws to the speaker module. Prepare the speaker module to assembly and the new adhesive tape (1 ea) to be attached to the speaker module.
Page 133 Disassembly and Assembly Remove the release film from the new speaker FPCB tape. Using the tweezers, attach the new tape to the FPCB of speaker module. Remove the release film from the tape attached to the FPCB.
Page 134 Disassembly and Assembly For the 5G or LTE devices, connect the 2 coaxial cables (White/Red) to the speaker module carefully. Place the speaker module to the exact position, and assemble it to the back cover module. Be careful not to damage the battery. Be careful not to damage the cables and speaker module.
Page 135 Disassembly and Assembly Press down softly and evenly on the speaker module and the FPCB so that the speaker module can be completely attached. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. •...
Page 136 Disassembly and Assembly Check the screws 3369 (3 ea) at the 3 different points and fasten the 3 screws to the speaker module. Prepare the speaker module to assembly and the new adhesive tape (1 ea) to be attached to the speaker module.
Page 137 Disassembly and Assembly Remove the release film from the new speaker FPCB tape. Using the tweezers, attach the new tape to the FPCB of speaker module. Remove the release film from the tape attached to the FPCB.
Page 138 Disassembly and Assembly Place the speaker module to the exact position, and assemble it to the back cover module. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. • Be careful not to damage the near components. •...
Page 139 Disassembly and Assembly Press down softly and evenly on the speaker module and the FPCB so that the speaker module can be completely attached. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. •...
Page 140 Disassembly and Assembly Check the screws 3369 (2 ea) at the 2 different points and fasten the 2 screws to the speaker module. Prepare the speaker module to assembly and the new adhesive tapes (2 ea) to be attached to the speaker module.
Page 141 Disassembly and Assembly Remove the release film from the new speaker FPCB tape. Using the tweezers, attach the new tape to the FPCB of speaker module.
Page 142 Disassembly and Assembly Remove the release films from the tapes attached to the FPCB.
Page 143 Disassembly and Assembly Connect a coaxial cable (White) to the speaker module. Place the speaker module to the exact position, and assemble it to the back cover module. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. •...
Page 144 Disassembly and Assembly Press down softly and evenly on the speaker module and the FPCB so that the speaker module can be completely attached. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. •...
Page 145 Disassembly and Assembly For the 5G or LTE devices, connect the 2 coaxial cables (Blue/Gray) to the speaker module. Be careful not to damage the battery. Be careful not to damage the cables and speaker module. • Be careful not to damage the near components. •...
Page 146 Disassembly and Assembly Check the screws 3369 (4 ea) at the 4 different points and fasten the 4 screws to the speaker module.
Page 147: Main Board Assembly
Disassembly and Assembly Main Board Assembly 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. With the tweezers, place the Wi-Fi PBA to the exact position, and assemble it to the back cover module.
Page 148 Disassembly and Assembly Check the screw 3443 (1 ea) point and fasten it to the Wi-Fi PBA. Be careful not to damage the Wi-Fi PBA and near components. Place the main board to the exact position, and assemble it to the back cover module. Be careful not to damage the near components and cables.
Page 149 Disassembly and Assembly Assemble the FPCB cable to exact position of the main board. Using the tweezers and your fingers, connect all connectors and all coaxial cable connectors (Blue/White) to the main board. Be careful not to damage the near components and cables.
Page 150 Disassembly and Assembly For the 5G or LTE devices, connect the additional coaxial cable connectors (Blue/Gray/ White/Red). Be careful not to damage the near components and cables. The coaxial cables are only available for the 5G or LTE devices. • The cables and connectors may vary depending on the country, region, or •...
Page 151 Disassembly and Assembly Check the screw 3463 (1 ea) point and fasten it to the main board. Be careful not to damage the main board and near components.
Page 152: Charging Port Assembly
Disassembly and Assembly Charging Port Assembly 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 flex cable with the charging port.
Page 153 Disassembly and Assembly For the 5G or LTE devices, connect the 2 coaxial cable (Gray/Red) connectors to the back of charging port with tweezers or your fingers first. Be careful not to damage the cable. • Be careful not to damage the near components. •...
Page 154 Disassembly and Assembly...
Page 155 Disassembly and Assembly Place the charging port to the exact position. Assemble the charging port to the back cover module and press down on it softly and evenly so that the charging port can be completely attached. Be careful not to damage the near components. Connect the connector to the main board.
Page 156 Disassembly and Assembly Check the screws 3443 (3 ea) at the 3 different points and fasten the 3 screws to the charging port. Be careful not to damage the charging port and near components.
Page 157 Disassembly and Assembly Assemble the bracket to the back cover module. Be careful not to break the bracket as it is very thin.
Page 158 Disassembly and Assembly Check the screws 3229 (5 ea) at the 5 different points and fasten the 5 screws. Be careful not to damage the near components.
Page 159: Camera Assembly
Disassembly and Assembly Camera Assembly 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 upward, and gently insert the front camera.
Page 160 Disassembly and Assembly Connect the front camera connector to the main board. Be careful not to damage the front camera and near components.
Page 161 Disassembly and Assembly Using the tweezers or your fingers, gently insert the 2 rear camera modules one by one in the camera hole so that the lens faces forward.
Page 162 Disassembly and Assembly Press down softly and evenly on the camera module so that the rear camera can be fully inserted. Be careful not to damage the camera lens. • Be careful not to damage and scratch the camera module. •...
Page 163 Disassembly and Assembly Connect the 2 rear camera connectors. Be careful not to damage the near components and camera. Connect the coaxial cable (Blue). Be careful not to damage the near components and cable.
Page 164 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 bracket to the back cover module with tweezers. Be careful not to break the bracket as it is very thin.
Page 165 Disassembly and Assembly Check the screws 3229 (20 ea) at the different points and fasten the 20 screws. Be careful not to damage the bracket and near components. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.).
Page 166: Screen Assembly
Disassembly and Assembly Screen Assembly 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 167 Disassembly and Assembly Align the adhesive tape on the back cover module and attach it. Gently press down the upper and lower middle adhesive tape to ensure a secure fit.
Page 168 Disassembly and Assembly Lift the right side of the adhesive tape and remove the inner transparent film from the center of the inside.
Page 169 Disassembly and Assembly Align the adhesive tape on the right of the back cover module and attach it. Gently press down the edges to ensure a secure fit.
Page 170 Disassembly and Assembly Lift the left side of the adhesive tape and remove the inner transparent film from the center of the inside.
Page 171 Disassembly and Assembly Align the adhesive tape on the left of the back cover module and attach it. Gently press down the edges to ensure a secure fit.
Page 172 Disassembly and Assembly While holding the handle of release film, remove the transparent film from the adhesive tape completely.
Page 173 Disassembly and Assembly Leave the inside of the screen visible and connect the 2 flex cable connectors between the screen and back cover module.
Page 174 Disassembly and Assembly Turn the screen slowly over back to its original state and attach it to the back cover module.
Page 175 Disassembly and Assembly Press down the edges of the screen evenly in order to attach the screen perfectly. If you feel the some gap, remove the screen and attach it again. Some foreign materials can be inside the device.
Page 176: Button Assembly
Disassembly and Assembly Button Assembly The buttons are already included in the back cover module. Replace them only if they need to be repaired. Remove the release film of new Volume button. Using your fingers, grab the Volume button and insert it on the slot carefully. Be careful not to damage the buttons and device.
Page 177 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 new Side button.
Page 178 Disassembly and Assembly Using your fingers, grab the Side button and insert it on the slot carefully. Insert the Side button in the correct direction as the protruding part of the button is lopsided. Be careful not to put the Side button in the wrong direction.
Page 179 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 180: Sim Card Tray Assembly
Disassembly and Assembly SIM Card Tray Assembly Insert the SIM card tray back into the slot and push it in its position.
Page 181 Repair Assistant app after repairing and assembling your device. Refer to Calibrations for more information. Visit a Samsung Service Center when finding some issues from the calibration • results. However, you may incur additional charges if the device has a...
Page 182 This guide is a property of Samsung Electronics Co., Ltd. Any unauthorized use of guide can be punished under applicable international and/or domestic law. © Samsung Electronics Co., Ltd.

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