Samsung SM-S937B Repair Manual
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REPAIR GUIDE
SM-S937B
SM-S937U
SM-S937U1
English. 06/2025. Rev.2.0
www.samsung.com

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Summary of Contents for Samsung SM-S937B

  • Page 1 REPAIR GUIDE SM-S937B SM-S937U SM-S937U1 English. 06/2025. Rev.2.0 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 Calibrations Used Parts and Calibration Functions in Supported Models...
  • Page 3 Table of Contents 36 Touch Screen Panel Calibration 38 Speaker Calibration 40 Under-display Camera Calibration (Fold Models Only) 42 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 45 Exploded View 46 Parts List Disassembly and Assembly 48 Tools for Disassembly and Assembly 54 Fasteners (Adhesives and Materials) for Assembly Disassembly and Reassembly for replacement...
  • Page 4 Table of Contents 111 Front Camera 111 Disassembly 118 Reassembly 127 Rear Camera 127 Disassembly 129 Reassembly 132 Button 132 Disassembly 133 Reassembly 135 Screen Module 135 Disassembly 145 Reassembly 158 Screen 158 Disassembly 168 Reassembly 188 Battery 188 Disassembly 193 Reassembly 205 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 Battery status Check the battery life and capacity.
  • Page 14 Quality Test Check whether the near field communication (NFC) feature is working normally. Check whether the SIM is working normally. If the test result is not Normal, remove the SIM card from the SIM card tray and replace it. If possible, try again with another SIM card.
  • Page 15 Quality Test Official software Check whether the official software is being used. Mobile network Check whether your mobile network is working normally. Sensors Check whether the sensors are working normally.
  • Page 16 Quality Test Location accuracy Check whether the location feature is working normally. The results might be more accurate when you test outside. Wi-Fi Check whether the Wi-Fi feature is working normally. To test this feature, the Wi-Fi feature must be activated.
  • Page 17 Quality Test Proximity recognition Check whether the proximity recognition feature is working normally. Buttons Check whether the buttons are working normally. Make sure that the buttons are not contaminated to get more accurate test results. Vibration Check whether the vibration feature is working normally.
  • Page 18 Quality Test Speaker Check whether the speakers are working normally. If you cannot hear the sound well, check whether the media volume is turned up and if the speaker is obstructed by foreign objects, the case, or the protective film. Check whether the microphones are working normally.
  • Page 19 Quality Test Fingerprint recognition Check whether the fingerprint recognition sensor is working normally. To test this feature, your fingerprint must be registered. Face recognition Check whether the face recognition sensor is working normally. To test this feature, your face must be registered.
  • Page 20 This test is only available for the S Pen • supported models. Cable charging Check whether the cable charging feature is working normally. Use only Samsung-approved chargers. Wireless charging Check whether the wireless charging feature is working normally. Use only Samsung-approved wireless chargers.
  • Page 21 Quality Test Wired headphones Check whether the headphone jack recognises the headphones normally. To test this feature, you must connect headphones. USB connection Check whether the multipurpose jack recognises the USB cable normally. To test this feature, the USB cable must be connected to a computer.
  • Page 22: 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 23: 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 24 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 25 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 26 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 27 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 28: 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 29 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 30 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 31: 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 32 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 33 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 34: 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 35 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 36: 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 37 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 38: 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 39 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.
  • Page 40: 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 41 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.
  • Page 42: 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 43 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 44 Calibrations The calibration will perform automatically. Check the calibration result.
  • Page 45: 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 46: Parts List

    Exploded View and Parts List Parts List Number Name QCR566 Screw 3566 QCR581 Screw 3581 QCR531 Screw 3531 QCR571 Screw 3571 QAN11 5G mmWave antenna QME15 5G mmWave Antenna Flex Cable QME12 Main Flex Cable 2 (Sub PBA to Main Board) QCA13 Front Camera QME14...
  • Page 47 Exploded View and Parts List Number Name QMP01 Main Board (PBA) QFR01 Screen module QUB01 Screen...
  • Page 48: 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 49 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 back Opening Pick cover, screen, and other parts Tool for disassembling the Opening Tool...
  • Page 50 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 51 Disassembly and Assembly Tool & Part Code Image Description Tool for bonding This tool is available to use Disposable Piston by the rental of tool kit that contains a complete set of the tools for self repair service. Tool for pressing the back cover, screen, or battery This tool is available to use Press Fixture...
  • Page 52 Disassembly and Assembly Tool & Part Code Image Description Tool to cover the bottom press tray when pressing the back cover or screen using the press fixture Top Press Tray 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 53 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 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 adhesive tape Back Cover for attaching the back cover Adhesive Tape to metal frame 3rd Microphone Double sided adhesive...
  • Page 55 Disassembly and Assembly Item Quantity Image Description Screw for the 5G mmWave antenna The 5G mmWave Screw 3531 antenna is only available for United States devices. Double sided adhesive tape for attaching the sides of the screen to metal frame Screen Side This tape is only Adhesive Tape...
  • Page 56 Disassembly and Assembly Item Quantity Image Description CIPG adhesive for CIPG Adhesive connecting the bottom tape and side tape of the screen Gel for expelling the heat between the top of the screen module and main board...
  • Page 57: 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 the device before disassembling. •...
  • Page 58 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 59: 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 60: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Insert the SIM card tray back into the slot. Ensure that there are no abnormalities.
  • Page 61: 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 62 Disassembly and Assembly...
  • Page 63 Disassembly and Assembly Place the suction cup in the centre of the bottom 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 3rd microphone hole tape. Using the tweezers, attach the 3rd microphone hole tape to the exact position of the white dotted line on the back cover. Gently press down on the adhesive tape.
  • Page 68 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 and your fingers, gently press around the edges to ensure a secure fit.
  • Page 69 Disassembly and Assembly Using the tweezers, remove all remaining release films on both the back cover and the device. Attach the back cover and press down on the edges of the back cover. Check the gap between the back cover and the metal frame. If you feel some gap, remove the back cover and attach it again.
  • Page 70 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 71 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 72 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 73 Disassembly and Assembly Insert the top rubber pad for the back cover into the top press tray, and press down on it in its position smoothly. The rubber pads for the back cover and screen are different from each other. •...
  • Page 74 Disassembly and Assembly Carefully place the top press tray to fit over the bottom press tray. Position the entire back cover press tray with the device horizontally in the centre of the press fixture.
  • Page 75 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 76 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 77 Disassembly and Assembly...
  • Page 78 Disassembly and Assembly...
  • Page 79: Top Speaker

    Disassembly and Assembly Top Speaker The top speaker is built into the rear top. Disassembly Remove the Back Cover first before you begin. Check the 10 screws on the top of the rear and remove them using a cross-head screwdriver. Be careful not to damage the main board and near components.
  • Page 80 Disassembly and Assembly Using the tweezers, separate the NFC antenna connector. Using the tweezers or your fingers, lift up on the right of the metal plate carefully and pull it out from the device, and tilt it back to downward slowly. Then, disconnect the battery connector from the main board using the tweezers.
  • Page 81 Disassembly and Assembly...
  • Page 82 Disassembly and Assembly...
  • Page 83: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Position the top speaker in the correct location and gently press down to secure it in its position.
  • Page 84 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. Hold the tilted wireless charging module with your fingers and carefully assemble to its original state.
  • Page 85 Disassembly and Assembly Connect the NFC antenna connector to the main board. Be careful not to damage the main board and near components. Check the screw 3566 (10 ea) at the 10 different points on the top of the rear and fasten them using a cross-head screwdriver.
  • Page 86 Disassembly and Assembly Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws. Reassemble the Back Cover to complete assembly.
  • Page 87: Bottom Speaker

    Disassembly and Assembly Bottom Speaker The bottom speaker is built into the rear bottom. Disassembly Remove the Back Cover first before you begin. Check the 11 screws on the top and bottom of the rear and remove them using a cross-head screwdriver.
  • Page 88 Disassembly and Assembly Using the tweezers, separate the NFC antenna connector. Place the tweezers in the left corner of the bottom speaker module, tilting the speaker module so it is slanted more than 90°. Separate the wireless charging module and bottom speaker module simultaneously from the device.
  • Page 89 Disassembly and Assembly Using your fingers, separate the wireless charging module and the bottom speaker module from each other. Be careful not to damage or tear the adhesive parts of the wireless charging • module. Ensure that the wireless charging module is unfolded to prevent damaging the •...
  • Page 90 Disassembly and Assembly...
  • Page 91: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Align the adhesive parts of the wireless charging module to the bottom speaker module and attach them accurately.
  • Page 92 Disassembly and Assembly Gently press down the adhesive parts with your fingers so that the wireless charging module can be attached well. Using the tweezers or your fingers, assemble the lower part of the speaker module first, and press down on it in its position with your fingers until you hear a locking sound.
  • Page 93 Disassembly and Assembly Connect the NFC antenna connector. Be careful not to damage the main board and near components. Check the screw 3566 (11 ea) at the 11 different points on the top and bottom of the rear and fasten them using a cross-head screwdriver. Be careful not to damage the main board and near components.
  • Page 94 Disassembly and Assembly Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws. Reassemble the Back Cover to complete assembly.
  • Page 95: Charging Port

    Disassembly and Assembly Charging Port Disassembly Remove the Back Cover first before you begin. Check for the disassembly steps of the Bottom Speaker and completely separate the wireless charging module and speaker module.
  • Page 96 Disassembly and Assembly Using the tweezers, disconnect the battery connector first from the main board. Then, disconnect the 2 flex cable connectors using the tweezers. Make sure to first disconnect the battery connector for your own safety. • Be careful not to damage the battery. •...
  • Page 97 Disassembly and Assembly Check the screws at the 2 different points on the charging port and remove them 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 98 Disassembly and Assembly Using the tweezers, hold and lift up the screw hole of the charging port, and then carefully remove the charging port. Be careful not to damage the cable.
  • Page 99: 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 the tape from the sub PBA. Using the tweezers, align the new flex cable adhesive tape precisely on the sub PBA and attach it.
  • Page 100 Disassembly and Assembly Remove the release film from the adhesive tape. Insert the charging port module to the bottom frame of the device, and press down on it in its position smoothly. Be careful not to damage the charging port and near components.
  • Page 101 Disassembly and Assembly Check the screw 3571 (2 ea) at the 2 different points on the charging port and fasten them using a cross-head screwdriver. Be careful not to damage the charging port module side contact. Connect the connector to the charging port and gently press down the FPCB cable with your fingers so that the FPCB cable can be attached well.
  • Page 102 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. Check for the reassembly steps of the Bottom Speaker and completely reassemble the wireless charging module and speaker module.
  • Page 103 Disassembly and Assembly Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws. Reassemble the Back Cover to complete assembly.
  • Page 104: Microphone

    Disassembly and Assembly Microphone The microphone is built into the sub PBA. Disassembly Remove the SIM Card Tray Back Cover first before you begin. Check for the disassembly steps of the Bottom Speaker and completely separate the wireless charging module and speaker module.
  • Page 105 Disassembly and Assembly Using the tweezers, disconnect the battery connector first from the main board. Make sure to first disconnect the battery connector for your own safety. • Be careful not to damage the battery. • Be careful not to damage the battery connector, charging port, and near components.
  • Page 106 Disassembly and Assembly Check the screw on the sub PBA and remove it using a cross-head screwdriver. Be careful not to damage the sub PBA and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 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. Using the tweezers, remove the tape from the bottom frame of the device. Using the tweezers, remove all release films from the new sub PBA.
  • Page 108 Disassembly and Assembly Using the tweezers, insert the sub PBA to the bottom frame of the device, and press down on it in its position smoothly. The FPCB cables have to be positioned outside so as not to interfere when •...
  • Page 109 Disassembly and Assembly Check the screw 3571 (1 ea) at the point on the sub PBA and fasten the screw using a cross-head screwdriver. Connect the battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components.
  • Page 110 Disassembly and Assembly Check for the reassembly steps of the Bottom Speaker and completely reassemble the wireless charging module and speaker module to the device. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.).
  • Page 111: Front Camera

    Disassembly and Assembly Front Camera Disassembly Remove the Back Cover first before you begin. Check the 12 screws on the top of the rear and remove them using a cross-head screwdriver. Be careful not to damage the main board and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 112 Disassembly and Assembly Using the tweezers, separate the NFC antenna connector. Using the tweezers or your fingers, lift up on the right of the metal plate carefully and pull it out from the device, and tilt it back to downward slowly. Then, disconnect the battery connector from the main board using the tweezers.
  • Page 113 Disassembly and Assembly...
  • Page 114 Disassembly and Assembly Using the tweezers, disconnect the front camera connector and the 3 flex cable connectors from the main board. For the United States 5G devices, disconnect the additional 5G mmWave antenna connector. Using the tweezers, lift up on the separator groove of the main board, and remove it carefully.
  • Page 115 Disassembly and Assembly 5G mmWave antenna connector...
  • Page 116 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back sides of the front camera 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.
  • Page 117 Disassembly and Assembly Before the heat cools with the heating bag applied, remove the adhesive between the front camera and the screen module using the SIM card tray ejection pin. Then, remove the front camera carefully using your fingers, and leave the camera lens facing up.
  • Page 118: 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 the adhesive and tape from the front camera hole completely.
  • Page 119 Disassembly and Assembly Remove the clear film from the new front camera adhesive tape with the tweezers. Using the tweezers, align the outside shape of the adhesive tape with the position of the camera hole and attach it accurately. Then, gently press down the tape with the tweezers so that the tape can be attached well.
  • Page 120 Disassembly and Assembly Using the tweezers, hold the protruding release film of the attached tape and remove it carefully. Place the front camera in the camera hole so that the lens faces forward, and gently insert the front camera. Be sure to place the camera in the correct position. •...
  • Page 121 Disassembly and Assembly Press down softly and evenly on the camera module so that the front camera can be fully inserted. 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.
  • Page 122 Disassembly and Assembly Connect the front camera connector and the 3 flex cable connectors to the main board. For the United States 5G devices, connect the 5G mmWave antenna connector to the main board. Be careful not to damage the main board. The 5G mmWave antenna module and its connector are only available in United •...
  • Page 123 Disassembly and Assembly Place the rear top in the correct location and gently press down to secure it in its position until you hear a locking sound. Then, connect the top FRC connector to the main board. Be careful not to damage the main board and near components. Connect the battery connector to the main board.
  • Page 124 Disassembly and Assembly Hold the tilted wireless charging module with the tweezers or your fingers, and carefully assemble to its original state. Be careful not to damage the battery. Be careful not to damage the NFC antenna connector and the FPCB cables. •...
  • Page 125 Disassembly and Assembly Connect the NFC antenna connector to the main board. Be careful not to damage the main board and near components. Check the screw 3566 (10 ea) at the 10 different points on the top of the rear and fasten them using a cross-head screwdriver.
  • Page 126 Disassembly and Assembly Check the screw 3581 (2 ea) at the 2 different points on the camera frame and fasten them using a cross-head screwdriver. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.).
  • Page 127: Rear Camera

    Disassembly and Assembly Rear Camera Disassembly Remove the Back Cover first before you begin. Check for the disassembly steps of the Front Camera and completely separate the main board with the rear cameras.
  • Page 128 Disassembly and Assembly Disconnect the rear camera connectors from the main board using the tweezers, and remove the rear cameras carefully from the main board. Leave the camera lens facing Be careful not to get the gel on other surfaces. •...
  • 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 the adhesive tape on the back of the ultra wide camera. Remove the release film from the new ultra wide camera adhesive tape with the tweezers, and attach it to the back of the camera.
  • Page 130 Disassembly and Assembly Place the ultra wide camera to the camera frame and assemble it. Press down the around camera softly with the tweezers so that the camera can be attached well. Be careful not to damage the camera and camera lens. Using your fingers, connect the rear camera connectors to the main board.
  • Page 131 Disassembly and Assembly Check for the reassembly steps of the Front Camera and completely reassemble the wireless charging module and speaker module. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 132: Button

    Disassembly and Assembly Button The buttons are already built into the screen module. Disassemble the buttons only if the buttons themselves require repairs. Disassembly To remove the Volume button or the Side button, lightly press one end of the button with your fingers so that the other end protrudes.
  • Page 133: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Remove the release film of the new Volume button. Use your fingers to grab the Volume button and insert the button on the slot carefully.
  • Page 134 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 135: Screen Module

    Disassembly and Assembly Screen Module The screen module consists of the screen, metal bracket, and battery. Disassembly Remove the SIM Card Tray Back Cover first before you begin. Check the 18 screws on the top and bottom of the rear and remove them using a cross-head screwdriver.
  • Page 136 Disassembly and Assembly Using the tweezers, separate the NFC antenna connector. Place the tweezers in the left corner of the bottom speaker module, tilting the speaker module so it is slanted more than 90°. Separate the wireless charging module and bottom speaker module simultaneously from the device.
  • Page 137 Disassembly and Assembly Using the tweezers, disconnect the battery connector from the main board. Using the tweezers, disconnect the top FRC connector and lift up on the separator groove of the rear top and remove it carefully. Make sure to first disconnect the battery connector for your own safety. •...
  • Page 138 Disassembly and Assembly Using the tweezers, disconnect the 3 flex cable connectors from main board and the flex cable connector from sub PBA, and then remove the flex cable completely. When removing the connectors, be careful not to damage the cable. For the United States 5G devices, remove the 5G mmWave antenna module additionally.
  • Page 139 Disassembly and Assembly...
  • Page 140 Disassembly and Assembly Using the tweezers, disconnect the front camera connector from the main board. Using the tweezers, lift up on the separator groove of the main board and remove it carefully. On the back of the main board, leave the gel facing up. Be careful not to damage the battery.
  • Page 141 Disassembly and Assembly Heat the microwaveable heating bag and apply it to both the front and back sides of the front camera 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.
  • Page 142 Disassembly and Assembly Before the heat cools with the heating bag applied, remove the adhesive between the front camera and the screen module using the SIM card tray ejection pin. Then, remove the front camera carefully using your fingers, and leave the camera lens facing up.
  • Page 143 Disassembly and Assembly Check the screw on the sub PBA and remove it using a cross-head screwdriver. Be careful not to damage the sub PBA and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 144 Disassembly and Assembly Check the screws at the 2 different points on the charging port and remove them using a cross-head screwdriver. Be careful not to damage the charging port and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 145: 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 frame of the device, and press down on it in its position smoothly.
  • Page 146 Disassembly and Assembly Using the tweezers, remove all adhesive tapes on the sub PBA if you use the existing sub PBA as it is. Be careful not to damage the sub PBA. Using the tweezers, align the new sub PBA adhesive tape precisely on the bottom of the sub PBA and attach it.
  • Page 147 Disassembly and Assembly Using the tweezers, hold the protruding release film of the attached tape and carefully remove it. Insert the sub PBA to the bottom frame of the device, and press down on it in its position smoothly. The FPCB cables have to be positioned outside so as not to interfere when •...
  • Page 148 Disassembly and Assembly Check the screw 3571 (1 ea) at the point on the sub PBA and fasten the screw using a cross-head screwdriver. Be careful not to damage the sub PBA and near components. Remove the clear film from the new front camera adhesive tape with the tweezers. Using the tweezers, align the outside shape of the adhesive tape with the position of the camera hole and attach it accurately.
  • Page 149 Disassembly and Assembly Place the front camera in the camera hole so that the lens faces forward, and gently insert the front camera. Be sure to place the camera in the correct position. • Be careful not to damage the camera lens. •...
  • Page 150 Disassembly and Assembly Gently wipe the gel residue on the back of the main board with a clean and soft cloth. Be careful not to scrub with strong force. Residual adhesive gel may remain. Cut along the perforated line of the gel packaging in half. Using the cotton bud, scoop out all the gel from the packaging.
  • Page 151 Disassembly and Assembly Place the gel in the centre of the gold part at the top of the screen module and spread it by rolling a cotton bud. Apply the gel more than 70% of the gold part. 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.
  • Page 152 Disassembly and Assembly For the United States 5G devices, reassemble the 5G mmWave antenna additionally. Insert the 5G mmWave antenna module in the right slot using the tweezers. Press down lightly with the tweezers so that the antenna module is fully fitted. Check the screw 3531 (1 ea) on the 5G mmWave antenna module and fasten it using a cross-head screwdriver.
  • Page 153 Disassembly and Assembly Place the flex cable to the device frame and connect the 2 flex cable connectors carefully. Be careful not to damage the main board and near components. • When connecting the connectors, be careful not to damage the cable. •...
  • Page 154 Disassembly and Assembly Position the top speaker in the correct location and gently press down to secure it in its position. Be careful not to damage the main board and near components. Connect the top FRC connector to the main board.
  • Page 155 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 lower part of the speaker module first, and press down on it in its position with your fingers until you hear a locking sound.
  • Page 156 Disassembly and Assembly Connect the NFC antenna connector. Check the screw 3566 (16 ea) at the 16 different points on the top and bottom of the rear and fasten them using a cross-head screwdriver.
  • Page 157 Disassembly and Assembly Check the screw 3581 (2 ea) at the 2 different points on the camera frame and fasten them using a cross-head screwdriver. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.).
  • Page 158: Screen

    Disassembly and Assembly Screen Disassembly When removing the screen, ensure that the device is fixed on a flat surface. Remove the SIM Card Tray Back Cover first before you begin. Check for the disassembly steps of the Screen Module and completely separate the flex cable.
  • Page 159 Disassembly and Assembly Using the tweezers, disconnect the front camera connector from the main board. For the United States 5G devices, disconnect the additional 5G mmWave antenna connector. Using the tweezers, lift up on the separator groove of the main board and remove it carefully.
  • Page 160 Disassembly and Assembly Check the screw on the sub PBA and remove it using a cross-head screwdriver. Be careful not to damage the sub PBA and near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 161 Disassembly and Assembly Using the tweezers, disconnect the connector and FPCB cable from the sub PBA. Using the tweezers, lift up on the separator groove of the sub PBA and remove it carefully. Be careful not to damage the cable. •...
  • Page 162 Disassembly and Assembly Using the tweezers, hold and lift up the screw hole of the charging port, and then carefully remove the charging port. Be careful not to damage the cable. • Be careful not to damage the charging port and near components. •...
  • Page 163 Disassembly and Assembly Heat the microwaveable heating bag and apply it on the front of the screen for 5 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 164 Disassembly and Assembly Place the suction cup in the top edge of the screen, and lift it upwards carefully. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use. Be careful that the suction cup does not adhere to the area where the tape or sticker is attached.
  • Page 165 Disassembly and Assembly While pulling up the suction cup with strong, steady force to create the gap between the screen and the metal frame, place the opening pick in the gap and slide the opening pick back and forth along the edge to slice through the adhesive. Repeat this on the all sides of the screen and slice through the adhesive.
  • Page 166 Disassembly and Assembly...
  • Page 167 Disassembly and Assembly...
  • Page 168: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Before attaching the screen, make absolutely sure that there are no screws, miscellaneous parts, or other foreign objects on the inside of the device (among the battery, PBA, etc.).
  • Page 169 Disassembly and Assembly Remove the transparent film of the new screen middle adhesive tape. Using the tweezers, align the tape precisely on the metal frame and attach it. Gently press around the tape to ensure a secure fit.
  • Page 170 Disassembly and Assembly Remove the transparent film of the new screen side adhesive tape. Using the tweezers, align the tape precisely on the metal frame and attach it. Using the tweezers, gently press around the edges of the tape to ensure a secure fit.
  • Page 171 Disassembly and Assembly Remove the transparent film of the new screen bottom adhesive tape. Using the tweezers, align the tape precisely on the bottom of the metal frame and attach it. Using the tweezers, gently press around the edges of the tape to ensure a secure fit.
  • Page 172 Disassembly and Assembly Using the tweezers, remove all release films of the attached adhesive tapes one by one. Prepare the CIPG adhesive, disposable piston, and disposable needle. Open the both end caps of the CIPG adhesive and assemble it with the needle and piston one by one.
  • Page 173 Disassembly and Assembly...
  • Page 174 Disassembly and Assembly Before using the CIPG adhesive for the first time, apply it to a tissue or a paper for about 3 seconds and discard the first part of the CIPG adhesive. Practice applying the adhesive in a round shape on the paper about 3 times. Before using the adhesive, you must wear protective safety equipments such as •...
  • Page 175 Disassembly and Assembly Carefully insert the flex cable of the new screen into the bottom of the metal frame and attach the screen slowly. If you feel some gap, remove the screen and attach it again. Some foreign materials can be inside the device.
  • Page 176 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 177 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 178 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. You can choose the one side of the bottom press tray depending on the back •...
  • Page 179 Disassembly and Assembly 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. The rubber pads for the back cover and screen are different from each other. •...
  • Page 180 Disassembly and Assembly Position the entire screen press tray with the device horizontally 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 for 5 hours. Keep your hands out of the press fixture to avoid mechanical pinching and injury.
  • Page 181 Disassembly and Assembly When the third press is completed after 5 hours, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture. Remove the device carefully from the tray.
  • Page 182 Disassembly and Assembly Insert the charging port module to the bottom frame of the device and press down on it in its position smoothly. Be careful not to damage the charging port and the near components. Check the screw 3571 (2 ea) at the 2 different points on the charging port and fasten them using a cross-head screwdriver.
  • Page 183 Disassembly and Assembly Using the tweezers, align the new sub PBA adhesive tape precisely on the bottom of the sub PBA and attach it. Gently press down the tape so that the tape can be attached well. Using the tweezers, align the new flex cable adhesive tape precisely on the sub PBA and attach it.
  • Page 184 Disassembly and Assembly Using the tweezers, insert the sub PBA to the bottom frame of the device, and press down on it in its position smoothly. The FPCB cables have to be positioned outside so as not to interfere when •...
  • Page 185 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 186 Disassembly and Assembly Using your fingers, connect the front camera connector to the main board. For the United States 5G devices, connect the 5G mmWave antenna connector to the main board. Be careful not to damage the battery. Be careful not to damage the main board. The 5G mmWave antenna module and its connector are only available in United •...
  • Page 187 Disassembly and Assembly Check for the reassembly steps of the Screen Module and completely reassemble the flex cable, wireless charging module, and speaker module. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 188: Battery

    Disassembly and Assembly Battery The separated battery may be damaged. Do not use it again. Disassembly Remove the Back Cover first before you begin. Check for the disassembly steps of the Bottom Speaker and completely separate the wireless charging module and speaker module.
  • Page 189 Disassembly and Assembly Using the tweezers, disconnect the battery connector first from the main board. Using the tweezers, disconnect the 3 flex cable connectors from main board and the flex cable connector from sub PBA, and then remove the flex cable completely. Make sure to first disconnect the battery connector for your own safety.
  • Page 190 Disassembly and Assembly Using your fingers, grab the 4 tape handles attached to the sides of the battery and separate them carefully from the battery. Then, grab the left side tape handle with your fingers and pull it up carefully. Slowly lift up the battery from the device and remove it completely.
  • Page 191 Disassembly and Assembly...
  • Page 192 Disassembly and Assembly...
  • Page 193: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all remaining adhesive tapes on the metal frame.
  • Page 194 Disassembly and Assembly Check the white line on the new battery FPCB cable and carefully fold the cable along the white line using your fingers. As the cable can be damaged by excessive force, be careful not to damage the cable when folding it.
  • Page 195 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 metal frame using your fingers. Be careful not to damage the battery. The FPCB cables and connectors have to be positioned outside so as not to •...
  • Page 196 Disassembly and Assembly Press the battery with your fingers softly so that the battery can be attached well. Be careful not to damage the battery. The FPCB cables and connectors have to be positioned outside so as not to • interfere when assembling the battery.
  • Page 197 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 198 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, after turning the screen facing down, place the device on the bottom press tray position. You can choose the one side of the bottom press tray depending on the back •...
  • Page 199 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 200 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 201 Disassembly and Assembly Remove the device and the rubber pad carefully from the tray. Place the flex cable to the device frame and connect the 2 flex cable connectors carefully. Be careful not to damage the main board and near components. •...
  • Page 202 Disassembly and Assembly Connect the 2 flex cable connectors on the main board. Connect the battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components.
  • Page 203 Disassembly and Assembly Check for the reassembly steps of the Bottom Speaker and completely reassemble the wireless charging module and speaker module.
  • Page 204 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 205: 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 206 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 207 CAMERA DISPLAY SENSOR ULTRA FLASH + ANTENNA WIDE 6 AXIS WIDE FLICKER SENSOR HAPTIC DRIVER DISPLAY HALL IC MAGNETIC FINGERPRINT 6 AXIS (IN-DISPLAY) PMIC RF FRONT END BAROMETER PROXY & ALS DISPLAY PMIC TRANSCEIVER Transciever Transciever Supply Modulator QC AP POP LP5x SM8750 12GB...

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