Page 1 REPAIR GUIDE SM-S938B SM-S938B/DS SM-S938B/U SM-S938B/U1 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 56 Disassembly and Reassembly for replacement...
Page 4 Table of Contents 100 Front Camera 100 Disassembly 109 Reassembly 119 Rear Camera 119 Disassembly 121 Reassembly 125 Button 125 Disassembly 126 Reassembly 128 Screen Module 128 Disassembly 140 Reassembly 154 Screen 154 Disassembly 162 Reassembly 179 Battery 179 Disassembly 185 Reassembly 196 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 QBC01 Back Cover QST01 S pen QCR252 Screw 3428 QCR257 Screw 3489 QME17 Main Flex Cable 1 (Charging Port to Main Board) QSP02 Speaker (Bottom) QCR255 Screw 3487 QME15 Main Flex Cable 2 (Charging Port to Main Board) QCA24 Front Camera QIF01...
Page 47 Exploded View and Parts List Number Name QFR01 Screen Module QBA01 Battery QME12 Main Flex Cable3 (Screen to Main Board) QUB01 Screen QMI11 Microphone...
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 pressing the back cover, screen, or battery This tool is available to use Press Fixture by the rental of tool kit that contains a complete set of the tools for self repair service. Tool to place the device when pressing the back cover, screen, or battery using the press fixture...
Page 52 Disassembly and Assembly Tool & Part Code Image Description Tool to place into the top press tray when pressing the back cover or screen using the press fixture This tool is available to use • by the rental of tool kit that contains a complete set of the tools for self repair Top Rubber Pad...
Page 53 Disassembly and Assembly Tool & Part Code Image Description Tool for pressing the back cover Availability of the bundled press roller may vary Press Roller depending on the country and is currently available only in limited countries. Tool for pressing the back cover Availability of the bundled •...
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 Front Camera Double sided adhesive...
Page 55 Disassembly and Assembly Item Quantity Image Description Screw 3489 Screw for the camera (Black) Screw for the 5G mmWave antenna The 5G mmWave Screw 3487 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...
Page 56: 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 57 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 58: 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 59: 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 60: Disassembly
Disassembly and Assembly S Pen Disassembly Press the end of the S Pen to disengage it. Pull out the S Pen from the slot.
Page 61: 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 S Pen into the slot and push it in its position.
Page 62: Back Cover
Disassembly and Assembly Back Cover Disassembly When removing the back cover, ensure that the device is fixed on a flat surface. Heat the microwaveable heating bag and apply it on the back cover for 3 minutes to soften the adhesive. It is possible for the device or battery to be damaged by heat.
Page 63 Disassembly and Assembly...
Page 64 Disassembly and Assembly Place the suction cup in the centre of the left edge of the back cover, and lift it upwards carefully. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use. As the back cover can be damaged by excessive force, be careful not to damage •...
Page 65 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 66 Disassembly and Assembly...
Page 67: 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 68 Disassembly and Assembly Remove the transparent film of the new back cover adhesive tape. Align the adhesive tape precisely on the metal 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 or your fingers, grab the film handle and remove the release film of the adhesive tape. 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 Carefully place the top press tray over the bottom press tray. Position the entire back cover press tray with the device horizontally in the centre of the press fixture.
Page 74 Disassembly and Assembly Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray for 1 minute. Keep your hands out of the press fixture to avoid mechanical pinching and injury. When you reach the required maximum force (1 N), a sound is made from the handle if you turn the handle.
Page 75 Disassembly and Assembly Remove the device carefully from the tray. If only a single back cover has been repaired, the press roller and stamp can be bundled with the ordered parts and you can also further press the fully assembled back cover using the bundle tool.
Page 76 Disassembly and Assembly...
Page 77 Disassembly and Assembly...
Page 78: Top Speaker
Disassembly and Assembly Top Speaker The top speaker is built into the rear top. Disassembly Remove the Back Cover first before you begin. Check the 9 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 79 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.
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Page 81 Disassembly and Assembly...
Page 82: Reassembly
Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Using the tweezers or your fingers, position the rear top in the correct location and gently press down to secure it in its position.
Page 83 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 84 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 3428 (9 ea) at the 9 different points on the top of the rear and fasten them using a cross-head screwdriver.
Page 85 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 86: 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 10 screws on the top and bottom of the rear and remove them using a cross-head screwdriver.
Page 87 Disassembly and Assembly Using the tweezers, separate the NFC antenna connector. Place the tweezers in the right corner of the bottom speaker module, tilting the speaker module so it is slanted more than 90°. Using the tweezers or your fingers, lift up on the right of the metal plate carefully and pull it out from the device.
Page 88 Disassembly and Assembly...
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: 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 91 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 92 Disassembly and Assembly Connect the NFC antenna connector. Be careful not to damage the main board and near components. Check the screw 3428 (10 ea) at the 10 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 93 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 94: Charging Port And Microphone
Disassembly and Assembly Charging Port and Microphone The microphone is built into the charging port module. 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 bottom speaker module.
Page 95 Disassembly and Assembly Using the tweezers, disconnect the battery connector first from the main board. Then, disconnect the 2 flex cable connectors from the charging port using the tweezers. Make sure to first disconnect the battery connector for your own safety. •...
Page 96 Disassembly and Assembly Check the 3 screws 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. Using the tweezers, lift up on the separator groove of the charging port module and remove it carefully.
Page 97: Reassembly
Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, insert the charging port module to the bottom metal frame of the device, and press down on it in its position smoothly.
Page 98 Disassembly and Assembly Connect the 2 flex cable connectors to the charging port. Be careful not to damage the cable. • Be careful not to damage the charging port and near components. • Connect the battery connector to the main board. Be careful not to damage the battery.
Page 99 Disassembly and Assembly Check for the reassembly steps of the Bottom Speaker and completely reassemble the wireless charging module and bottom 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 100: Front Camera
Disassembly and Assembly Front Camera Disassembly Remove the Back Cover first before you begin. Check the 11 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 101 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 102 Disassembly and Assembly...
Page 103 Disassembly and Assembly...
Page 104 Disassembly and Assembly Using the tweezers, disconnect the front camera connector, the digitiser 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. Be careful not to damage the battery.
Page 105 Disassembly and Assembly...
Page 106 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 107 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 108 Disassembly and Assembly...
Page 109: Reassembly
Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, remove the adhesive and tape from the front camera hole completely.
Page 110 Disassembly and Assembly Remove the clear film from the new front camera side adhesive tape with the tweezers and attach it to the right side of the front camera hole. Then, gently press down the tape with the tweezers so that the tape can be attached well. Using the tweezers, remove the protruding release films of the 2 tapes attached to the left and right sides of the camera hole.
Page 111 Disassembly and Assembly Remove the clear film from the new front camera main adhesive tape with 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 112 Disassembly and Assembly Using the tweezers, hold the protruding release film of the attached tape and remove it carefully. Remove the clear film from the new front camera top adhesive tape with the tweezers, align the tape to the top of the front camera, and attach it accurately. Gently press down the tape with your fingers so that the tape can be attached well.
Page 113 Disassembly and Assembly Using the tweezers or your fingers, remove the release film of the front camera top adhesive tape. Using the tweezers or your fingers, 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 114 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 115 Disassembly and Assembly Using your fingers, connect the front camera connector, the digitiser 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.
Page 116 Disassembly and Assembly Using the tweezers or your fingers, 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.
Page 117 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 118 Disassembly and Assembly Check the screw 3428 (10 ea) and the black screw 3489 (1 ea) at the 11 different points on the top of the rear and fasten them using a cross-head screwdriver. Be careful not to damage the main board and near components. Black screw Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.).
Page 119: 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 120 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 damage the main board. Separate and replace only the problematic camera. Using the tweezers, carefully separate the ultra wide camera on top of the camera frame.
Page 121: 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 122 Disassembly and Assembly Remove the release film from the tape attached to the back of the ultra wide camera. Be careful not to damage the camera and camera lens. Place the ultra wide camera to the camera frame and assemble it. Be careful not to damage the camera and camera lens.
Page 123 Disassembly and Assembly 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. Leave the camera lens facing up.
Page 124 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 125: 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 126: 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 127 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 128: 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 17 screws on the top and bottom of the rear and remove them using a cross-head screwdriver.
Page 129 Disassembly and Assembly Using the tweezers, separate the NFC antenna connector. Place the tweezers in the right corner of the bottom speaker module, tilting the speaker module so it is slanted more than 90°. Using the tweezers or your fingers, lift up on the right of the metal plate carefully and pull it out from the device.
Page 130 Disassembly and Assembly...
Page 131 Disassembly and Assembly Using the tweezers, disconnect the battery connector first 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 132 Disassembly and Assembly Using the tweezers, disconnect the 2 flex cable connectors and remove the flex cable completely. When removing the connectors, be careful not to damage the cable. Using the tweezers, disconnect the 2 flex cable connectors and remove the flex cable completely.
Page 133 Disassembly and Assembly Using the tweezers, disconnect the 2 flex cable connectors and remove the flex cable completely. For the United States 5G devices, remove the 5G mmWave antenna module additionally. Using the tweezers, disconnect the 5G mmWave antenna connector. Check the screw on the 5G mmWave antenna module and remove it using a cross-head screwdriver.
Page 134 Disassembly and Assembly...
Page 135 Disassembly and Assembly Using the tweezers, disconnect the front camera connector and the digitiser connector from the main board. Using the tweezers, lift up on the separator groove of the main board and remove it carefully. Be careful not to damage the battery. Be careful not to damage the battery connector, main board, and near •...
Page 136 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 137 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 138 Disassembly and Assembly Check the 3 screws 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 139 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the charging port module, and remove it carefully. Be careful not to damage the charging port and near components.
Page 140: Reassembly
Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, insert the charging port module to the bottom metal frame of the device, and press down on it in its position smoothly.
Page 141 Disassembly and Assembly Using the tweezers, remove the adhesive and tape from the front camera hole completely. Remove the clear film from the new front camera side adhesive tape with the tweezers and attach it to the left side of the front camera hole. Then, gently press down the tape with the tweezers so that the tape can be attached well.
Page 142 Disassembly and Assembly Remove the clear film from the new front camera side adhesive tape with the tweezers and attach it to the right side of the front camera hole. Then, gently press down the tape with the tweezers so that the tape can be attached well. Using the tweezers, remove the protruding release films of the 2 tapes attached to the left and right sides of the camera hole.
Page 143 Disassembly and Assembly Remove the clear film from the new front camera main adhesive tape with 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 144 Disassembly and Assembly Using the tweezers, hold the protruding release film of the attached tape and remove it carefully. Remove the clear film from the new front camera top adhesive tape with the tweezers, align the tape to the top of the front camera, and attach it accurately. Gently press down the tape with your fingers so that the tape can be attached well.
Page 145 Disassembly and Assembly Using the tweezers or your fingers, remove the release film of the front camera top adhesive tape. Using the tweezers or your fingers, 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 146 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 147 Disassembly and Assembly Connect the front camera connector and the digitiser connector to the main board. 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 or your fingers.
Page 148 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 mainboard and near components. • When connecting the connectors, be careful not to damage the cable. •...
Page 149 Disassembly and Assembly Place the flex cable to the device frame and connect the 2 flex cable connectors carefully. Place the flex cable to the device frame and connect the 2 flex cable connectors carefully.
Page 150 Disassembly and Assembly Using the tweezers or your fingers, place the rear top in the correct location and gently press down to secure it in its position until you hear a locking sound. Be careful not to damage the main board and near components. Connect the top FRC connector to the main board.
Page 151 Disassembly and Assembly Connect the battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components. Using the tweezers and 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 152 Disassembly and Assembly Connect the NFC antenna connector. Be careful not to damage the main board and near components. Check the screw 3428 (16 ea) and the black screw 3489 (1 ea) at the 17 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 153 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 SIM Card Tray...
Page 154: Screen
Disassembly and Assembly Screen Disassembly When removing the screen, ensure that the device is fixed on a flat surface. Remove the Back Cover first before you begin. Check for the disassembly steps of the Screen Module and completely separate the 3 flex cables.
Page 155 Disassembly and Assembly Using the tweezers, disconnect the front camera connector and the digitiser 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. Be careful not to damage the battery.
Page 156 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 157 Disassembly and Assembly...
Page 158 Disassembly and Assembly Place the suction cup in the top left 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 159 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 left, right, top side of the screen and slice through the adhesive.
Page 160 Disassembly and Assembly...
Page 161 Disassembly and Assembly...
Page 162: 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 163 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. Using your fingers, gently press around the tape to ensure a secure fit.
Page 164 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 and your fingers, gently press around the edges of the tape to ensure a secure fit.
Page 165 Disassembly and Assembly Using the tweezers and your fingers, remove all release films of the attached adhesive tapes one by one.
Page 166 Disassembly and Assembly Carefully insert the digitiser connector of the new screen into the digitiser connector hole 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 167 Disassembly and Assembly Press down the screen evenly in order to attach the screen perfectly. Ensure that there are no abnormalities.
Page 168 Disassembly and Assembly Now you can press the fully assembled screen using the press fixture. Remove the press fixture body and its handle from the rental tool kit packaging. Keep your hands out of the press fixture to avoid mechanical pinching and injury. This tool is only available to use by the rental of tool kit that contains a •...
Page 169 Disassembly and Assembly Remove the bottom press tray, top press tray, and top rubber pad for the screen from the rental tool kit packaging. The top rubber pads for the back cover and screen are different from each other. Leave the bottom press tray so that the side for the screen is visible. Then, place the device into the tray facing up.
Page 170 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 171 Disassembly and Assembly Position the top 2/3 of the screen press tray with the device lengthwise in the centre of the press fixture. Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray for 30 seconds. Keep your hands out of the press fixture to avoid mechanical pinching and injury.
Page 172 Disassembly and Assembly When the press is completed after 30 seconds, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture. Position the bottom 2/3 of the screen press tray with the device lengthwise in the centre of the press fixture.
Page 173 Disassembly and Assembly Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray again for 30 seconds. Keep your hands out the of press fixture to avoid mechanical pinching and injury. When the second press is completed after 30 seconds, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture.
Page 174 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 30 seconds. Keep your hands out of the press fixture to avoid mechanical pinching and injury.
Page 175 Disassembly and Assembly When the third press is completed after 30 seconds, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture. Remove the device carefully from the tray.
Page 176 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 177 Disassembly and Assembly Using your fingers, connect the front camera connector and the digitiser 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 main board. The 5G mmWave antenna module and its connector are only available in United •...
Page 178 Disassembly and Assembly Check for the reassembly steps of the Screen Module 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 179: 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 bottom speaker module.
Page 180 Disassembly and Assembly Using the tweezers, disconnect the battery connector first from the main board. Using the tweezers, disconnect the 2 flex cable connectors and remove the flex cable completely. Make sure to first disconnect the battery connector for your own safety. •...
Page 181 Disassembly and Assembly Using the tweezers, disconnect the 2 flex cable connectors and remove the flex cable completely. Using the tweezers, disconnect the 2 flex cable connectors and remove the flex cable completely.
Page 182 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 183 Disassembly and Assembly...
Page 184 Disassembly and Assembly...
Page 185: 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 186 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. Using the tweezers or your fingers, carefully remove the release film from the new battery. Be careful not to damage the battery.
Page 187 Disassembly and Assembly With the battery connector on the right, carefully place the battery based on the upper right side of the battery. Assemble the battery to the exact position of the metal frame using your fingers. The FPCB cables and connectors have to be positioned outside so as not to •...
Page 188 Disassembly and Assembly Press the battery with your fingers softly so that the battery can be attached well. The FPCB cables and connectors have to be positioned outside so as not to interfere when assembling the battery. 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.
Page 189 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 and the battery rubber pads (4 ea) from the rental tool kit packaging.
Page 190 Disassembly and Assembly Leave the bottom press tray so that the side for the battery is visible. Turn the screen facing down, and then 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 191 Disassembly and Assembly Position the entire bottom press tray with the device horizontally in the centre of the press fixture. Be careful not to move the battery pad out of its position. Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray for 5 seconds.
Page 192 Disassembly and Assembly When the press is completed after 5 seconds, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture. Remove the device and the rubber pad carefully from the tray.
Page 193 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 194 Disassembly and Assembly Place the flex cable to the device frame and connect the 2 flex cable connectors carefully. Connect the battery connector to the main board. Be careful not to damage the battery connector and near components.
Page 195 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 196: 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 197 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 198 CAMERA DISPLAY SENSOR Flash LED PM8550 Flicker Sensor PM8550VE_F Ultra Tele Tele Wide Wide CAM PMIC2 CAM PMIC Buck Digitizer SUB6/LTE (In-display) Conn QET6105 Wacom Transceiver Display PMIC PM8550VS PM8550VS PM8550 PM8550VS PM8550VS PMR735D PM8550VE Level Shifter KNOX Level VAULT1 Shifter TRANSCEIVER 3rd MIC...

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