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Samsung SM-S918B Repair Manual
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Samsung SM-S918B Repair Manual

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REPAIR GUIDE
SM-S918B
SM-S918B/DS
SM-S918U
SM-S918U1
English. Rev.1.0
www.samsung.com

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Summary of Contents for Samsung SM-S918B

  • Page 1 REPAIR GUIDE SM-S918B SM-S918B/DS SM-S918U SM-S918U1 English. Rev.1.0 www.samsung.com...

  • Page 2: Table Of Contents

    Updating Software through Smart Switch Recovering from a Software Update Failure Recovering on Another Computer Performing a Factory Data Reset Quality Test Quality Test Using the Samsung Members App Device Diagnostics Test Items Calibrations 25 Calibrations 25 Used Parts and Calibration Functions in Supported Models...
  • Page 3 Table of Contents 43 Under-display Camera Calibration (Fold Models Only) 45 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 48 Exploded View 49 Parts List Disassembly and Assembly Tools for Disassembly and Assembly 54 Fasteners (Adhesives and Materials) for Assembly 56 Disassembly for Replacement SIM Card Tray Remove 58 S Pen Remove...

  • Page 4: Usage Notices

    Precautions for Repair Samsung is not liable for any damage or defect determined to be caused by repair by a non-authorized carrier, self repair or non-professional repair of the device. Samsung...

  • Page 5: Esd (Electrostatic Discharge) Precautions

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

  • Page 6: Instructional Icons

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

  • Page 7: Software Update

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

  • Page 8: Recovering From A Software Update Failure

    Before performing the factory data reset, remember to make backup copies of all important data stored in the device. Samsung is not responsible for the loss of data stored in the device. Disconnect your device from the computer and launch Smart Switch again on the computer.

  • Page 9: Performing A Factory Data Reset

    Before performing the factory data reset, remember to make backup copies of all important data stored in the device. Samsung is not responsible for the loss of data stored in the device.
  • Page 10 Software Update Tap Reset → Delete all. All data will be deleted when rebooting. During a factory data reset, the device may repeat rebooting and the logo may be displayed for a long time.

  • Page 11: Quality Test

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

  • Page 12: Test Items

    If the exclamation mark appears on any test • items after finishing the test, tap them to find the solutions. If the problem persists, visit a Samsung Service Center. Test Items Function: Check whether your device can read • near field communication (NFC) tags that contain information about products.
  • Page 13 ‒ FAQ: View frequently asked questions. ‒ History: View your device’s restart history. Official software Function: Check whether the software is working • normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Service information: View the Samsung Service Center location.
  • Page 14 Quality Test Mobile network Function: Check whether your mobile network is • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Settings: Configure your mobile network settings. ‒ FAQ: View frequently asked questions. Sensors Function: Check whether the sensors are working •...
  • Page 15 Quality Test Touch screen Function: Check whether the touchscreen is • working normally. Provided information • ‒ Status: View whether the feature is working normally. Buttons Function: Check whether the buttons are working • normally. How to check: • Press the buttons by following the directions on the screen.
  • Page 16 Quality Test Speaker Function: Check whether the speakers are • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Speaker types: View the status of each speaker. ‒ FAQ: View frequently asked questions. Vibration Function: Check whether the vibration feature is •...
  • Page 17 Quality Test Camera Function: Check whether the rear and front cameras are working normally. • How to check: • Tap the camera button to test the rear and front cameras. The picture that was taken will be displayed to check the quality of the pictures. Provided information •...
  • Page 18 Quality Test Function: Check whether the microphone is working normally. • How to check: • 1) Tap Record and say something for the recording. 2) When the recording is finished, tap Play and select a button according to the question. Provided information •...
  • Page 19 Quality Test Location accuracy Function: Check whether the location accuracy is • working normally. How to check: • Tap Start. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. The results might be more accurate when you test outside.
  • Page 20 Quality Test Bluetooth Purpose: Check whether Bluetooth can search for • other Bluetooth devices. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, the Bluetooth feature must be activated.
  • Page 21 Quality Test Face recognition Purpose: Check whether the face recognition • sensor is working. How to check: • Look at the screen. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, your face must be registered.
  • Page 22 Quality Test S Pen Purpose: Check whether the S Pen is recognized in all areas of the touchscreen. • How to check: • 1) Tap all the rectangles on the screen with the S Pen. The tapped or dragged rectangles will turn blue. 2) Hover the S Pen over the screen and move from A to B.
  • Page 23 How to check: • Connect a charger to your device. Provided information • ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the charger you connected. Use only Samsung-approved chargers.
  • Page 24 ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the wireless charger you put your device on. Use only Samsung-approved wireless chargers. Battery status Function: Check the battery values and analysis. • Provided information •...

  • Page 25: Calibrations

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

  • Page 26: Using The Self Repair Assistant App

    Calibrations Depending on the model, the screen module may include batteries. So when • the screen module is replaced, the battery also has to be selected and a battery cycle reset must be performed. In the Fold models, touch screen panel calibration is performed for both the •...
  • Page 27 Calibrations Read Privacy Notice and tap Continue. If you are not signed in to your • Samsung account, a button will appear to sign in. If you select the link to read the full • Privacy Notice, you will be directed to...
  • Page 28 Calibrations Check permissions and tap Continue. Select the part that you have replaced and tap Next. The required calibrations will be • conducted automatically. If the device does not have certain • components or sensors associated with the part that has been replaced, relative calibration will be skipped automatically.
  • Page 29 Calibrations Read the on-screen instructions and tap Start. Refer to Optical Fingerprint Sensor Calibration, Resetting the Battery Cycle Count, Range Sensor Calibration, Touch Screen Panel Calibration, Speaker Calibration, Under-display Camera Calibration (Fold Models Only), and Digital Hall Sensor Calibration (Fold and Flip Models Only) for more information.
  • Page 30 Calibrations Check the results of each calibration item. Completed: Calibration was done • normally. Failed: Calibration failed. • Skipped: Calibration was skipped. • On the calibration results page, tap Close to close the app. Restart your device to finish calibrating.

  • Page 31: Optical Fingerprint Sensor Calibration

    Calibrations Optical Fingerprint Sensor Calibration Whenever the screen is replaced, the optical fingerprint sensor must be calibrated to guarantee optimized fingerprint sensor performance for devices that have it. Optical fingerprint sensor calibration is available through the Self Repair Assistant app. This feature may not be available depending on the model.
  • Page 32 Calibrations Check the part and calibration and then tap Start. Read the on-screen instructions and tap Start. The white calibration box must be prepared before you start. Put the white calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger.
  • Page 33 Calibrations Put the black calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger. Tap Next and keep pushing the rubber with your finger until you see the success message. The black calibration box must be •...

  • Page 34: Resetting The Battery Cycle Count

    Calibrations Check the result of the calibration. Completed appears only when the calibration is successfully completed. If Completed does not appear, try calibrating again. Resetting the Battery Cycle Count The battery cycle count should be reset whenever your device’s battery is replaced. Launch the Self Repair Assistant app.
  • Page 35 Calibrations Check part and calibration and tap Start. Tap Start. Read the on-screen instructions and tap Scan to scan the QR code, or tap Enter manually to enter the serial number manually.
  • Page 36 Calibrations Scan the QR code or enter the serial number that appears on the battery package. The reset will begin. Check the calibration results.

  • Page 37: Range Sensor Calibration

    Calibrations Range Sensor Calibration When replacing screens, batteries, back glasses, or charging ports, range sensor calibration is required to ensure the range sensors of devices equipped with them are optimized. Range sensor calibration is available through the Self Repair Assistant app. Some content may differ from your device depending on the region, service provider, model specifications, or device’s software.
  • Page 38 Calibrations Read the on-screen instructions and tap Start. In a dark room or area, place the phone face-down, then press the Volume button. The calibration will perform automatically. A tone will play when calibration is complete. Check the calibration result.

  • Page 39: Touch Screen Panel Calibration

    Calibrations Touch Screen Panel Calibration When replacing screens, touch screen panel calibration is required to ensure accurate touch input. Touch screen panel calibration is available through the Self Repair Assistant app. In the Fold models, touch screen panel calibration is performed for both the main and cover screens.
  • Page 40 Calibrations Read the on-screen instructions and tap Start. The calibration will perform automatically and the screen will turn white during calibration. Check the calibration result.

  • Page 41: Speaker Calibration

    Calibrations Speaker Calibration When replacing speakers, the speaker must be calibrated to guarantee optimized speaker performance for devices that have it. Speaker calibration is available through the Self Repair Assistant app. Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next.
  • Page 42 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.

  • Page 43: Under-Display Camera Calibration (Fold Models Only)

    Calibrations Under-display Camera Calibration (Fold Models Only) Whenever the screen is replaced, the under-display camera must be calibrated to guarantee optimized under-display camera performance for devices that have it. Under-display camera calibration is available through the Self Repair Assistant app. This feature may not be available depending on the model.
  • Page 44 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.

  • Page 45: Digital Hall Sensor Calibration (Fold And Flip Models Only)

    The boot screen (the screen where the Samsung and carrier logos appear) will appear normally and then turn off, so it is not a hardware failure.
  • Page 46 Calibrations Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next. Check part and calibration and tap Next. Tap Start.
  • Page 47 Calibrations The calibration will perform automatically. Check the calibration result.

  • Page 48: Exploded View And Parts List

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

  • Page 49: Parts List

    Exploded View and Parts List Parts List Number Name QCR252 Screw 3428 QCR257 Screw 3489 QME04 Main Flex Cable 1 (Sub PBA to PBA) QBC01 Back Cover QST01 S Pen QSP02 Speaker(Bottom) QCA03 Rear Camera(Ultra Wide) QCA05 Rear Camera(Wide) QCA02 Rear Camera(Telephoto 10x) QCA01 Rear Camera(Telephoto 3x)
  • Page 50 Exploded View and Parts List Number Name QSM01 SIM Card Tray QME05 Main Flex Cable 2 (Screen to PBA) QME06 Main Flex Cable 3 (Sub PBA to PBA) QFR01 Screen Module...

  • Page 51: Disassembly And Assembly

    Disassembly and Assembly Disassembly and Assembly Tools for Disassembly and Assembly When repairing devices, you absolutely must wear protective equipment for your safety. Tool & Part Code Image Description Prevents accidents during repair Safety Goggles (protective equipment) Safety Gloves (ESD Prevents accidents during repair safe, cut-resistant) (protective equipment)
  • Page 52 Disassembly and Assembly Tool & Part Code Image Description Prevents electrostatic damage ESD Safe Mat (recommended) Ejection Pin Pin for ejecting the SIM card tray Cross-head Tool for screwing in cross-head Screwdriver screws Tool for disassembling the back Opening Pick cover and other parts Tool for disassembling the Opening Tool...
  • Page 53 Disassembly and Assembly Tool & Part Code Image Description Tool for handling connectors, cables, and other parts Because it is possible • to damage parts or components when using ESD Safe Tweezers sharp tweezers, use and Round Tip tweezers made with plastic Metal Tweezers or rubber material.

  • Page 54: Fasteners (Adhesives And Materials) For Assembly

    Disassembly and Assembly Fasteners (Adhesives and Materials) for Assembly The fasteners composition may vary depending on the repair parts, country, region, or carrier. Item Quantity Image Description Back Cover Double sided adhesive tape Adhesive Tape for attaching the back cover to metal frame and rear case of the device GH81-23177A...
  • Page 55 Disassembly and Assembly Item Quantity Image Description Screws for the 5G mmWave antenna (2 ea) Screw 3487 The 5G mmWave antenna is only 6001-003487 available for United States devices. Metal bracket with adhesive tape to attach the left 5G 5G mmWave mmWave antenna to metal Antenna Module frame...

  • Page 56: Disassembly For Replacement

    Disassembly and Assembly Disassembly for Replacement Before disassembling: Unplug and turn off device before disassembling. • Remove the SIM card tray and S Pen from the device. • Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. •...

  • Page 57: Sim Card Tray Remove

    Disassembly and Assembly SIM Card Tray Remove 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. After you finish disassembling, refer to SIM Card Tray Assembly for how to...

  • Page 58: Pen Remove

    Disassembly and Assembly S Pen Remove Press the end of the S Pen to disengage it. Pull out the S Pen from the slot. After you finish disassembling, refer to S Pen Assembly for how to reassemble.

  • Page 59: Button Remove

    Disassembly and Assembly Button Remove The buttons are already included in the screen module. Replace them only if they need to be repaired. Press one end of the Volume button with your fingers lightly so that the other end protrudes. Push the tip of the protruding button up carefully with the tweezers and lift it up until you can grab it with your fingers.
  • Page 60 Disassembly and Assembly Grab the Volume button with your fingers and pull out it carefully from the device. Press one end of the Side button with your fingers lightly so that the other end protrudes. Push the tip of the protruding button up carefully with the tweezers and lift it up until you can grab it with your fingers.
  • Page 61 Disassembly and Assembly Grab the Side button with your fingers and pull out it carefully from the device. After you finish disassembling, refer to Button Assembly for how to reassemble.

  • Page 62: Back Cover Remove

    Disassembly and Assembly Back Cover Remove 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 left edge of the back cover for 3 minutes. It is possible for the device or battery to be damaged by heat.
  • Page 63 Disassembly and Assembly Place the suction cup in the center of the left edge of the back cover, and lift upwards while separating it with the opening pick. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use.
  • Page 64 Disassembly and Assembly Slide your opening pick along the left edge to slice the adhesive. Leave the opening pick in the left edge side to prevent the adhesive from resealing. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm.
  • Page 65 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the bottom edge of the back cover for 3 minutes. Place the suction cup in the center of the bottom edge of the back cover, and lift upwards while separating it with the opening pick.
  • Page 66 Disassembly and Assembly Place the opening pick in the gap between the back cover and the screen module and increase the gap by pressing up/down/left/right on the bottom sides. Leave the opening pick in the bottom edge to prevent the adhesive from resealing. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm.
  • Page 67 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the right edge of the back cover for 3 minutes. Place the suction cup in the center of the right edge of the back cover.
  • Page 68 Disassembly and Assembly Pull up on the suction cup with strong, steady force to create a gap between the back cover and the frame. Slide the opening pick back and forth along the right edge to slice through the adhesive. Leave the opening pick inserted in the right edge to prevent the adhesive from resealing.
  • Page 69 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the top edge of the back cover for 3 minutes. Place the suction cup in the center of the top edge of the back cover, lift upwards, and then insert the opening pick in the gap at the top right edge.
  • Page 70 Disassembly and Assembly Slide the opening pick back and forth along the top edge to slice through the adhesive. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm. Lift up the back cover slowly and remove it gently.
  • Page 71 Disassembly and Assembly Remove all adhesive tapes and these tapes are located around the edges of the back cover ( ). Be careful not to put your fingertips or any foreign objects on the rear camera or • back cover lens ( ). Make sure to remove any residual tape ( ) attached to the inside of the back •...

  • Page 72: Wireless Charging Module And Bottom Speaker Remove

    Disassembly and Assembly Wireless Charging Module and Bottom Speaker Remove Check and remove the screws at the 11 different points at the top and bottom of the device 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 73 Disassembly and Assembly Using the opening pick, separate 2 connectors of the NFC module and UWB module. Be careful not to damage the near components. Place the tweezers in the left and right corner of the speaker module, tilting the speaker module so it is slanted more than 90°.
  • Page 74 Disassembly and Assembly Using the tweezers, lift up on the right of the metal plate carefully and pull it out from the device. Be careful not to tear any connected components near the wireless charging • module. Be careful not to damage or tear the adhesive parts of the wireless charging •...
  • Page 75 Disassembly and Assembly Separate the wireless charging module and speaker module simultaneously from the device. Be careful not to tear any connected components near the wireless charging • module. Ensure that the wireless charging module is unfolded to prevent damaging the •...

  • Page 76: Charging Port Remove

    Disassembly and Assembly Charging Port Remove Disconnect the battery connector from the main board with the opening pick. Make sure to first disconnect the battery connector for your own safety. • Be careful not to damage the battery. •...
  • Page 77 Disassembly and Assembly Disconnect the first interconnect cable from the main board and charging port using the opening pick or disassembly stick. Be careful not to damage the near components. Disconnect the second interconnect cable from the main board and charging port using the opening pick or disassembly stick.
  • Page 78 Disassembly and Assembly Check the screws at the 3 different points on the charging port and remove them using a cross-head screwdriver. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.

  • Page 79: Main Board Remove

    Main Board Remove The PBA can only be replaced at an authorized repair shop. If the PBA is faulty, contact Samsung for further instruction. Disconnect the remaining interconnect cable from the main board and frame using the opening pick or disassembly stick.
  • Page 80 Disassembly and Assembly Check the screws at the 5 different points on the top speaker and remove them using a cross-head screwdriver. When removing the screws, be careful not to damage the camera lens and top speaker. 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 81 Disassembly and Assembly Using the tweezers, lift up on the bottom right corner of the top speaker carefully, and separate it from the main board. Be careful not to damage the PBA. Check the black screw on the camera frame and remove it using the cross-head screwdriver.
  • Page 82 Disassembly and Assembly Using the opening pick, disconnect 3 connectors from the main board. Be careful not to damage the PBA and near components. For the United States 5G devices, disconnect the 2 additional 5G mmWave antenna connectors. Be careful not to damage the PBA, battery connector, and near components. The 5G mmWave antenna module and its connectors are only available in •...
  • Page 83 Disassembly and Assembly Using the tweezers, lift up on the separator groove to the upper right of the main board carefully, and remove the main board module. Be careful not to damage the PBA. After you finish disassembling, refer to Main Board Assembly for how to reassemble.

  • Page 84: Front Camera Remove

    Disassembly and Assembly Front Camera Remove Heat the microwaveable heating bag and apply it to both the front and back side of the front camera module for 3 minutes. It is possible for the device or battery to be damaged by heat. •...
  • Page 85 Disassembly and Assembly Before the heat cools with the heating bag applied, remove the adhesive sponge between the front camera and the screen module using the SIM card tray ejection pin. Be careful not to damage the front camera and near components. •...
  • Page 86 Disassembly and Assembly Remove the front camera carefully by tweezers or your fingers, and leave the camera lens facing up. Be careful not to damage the front camera and near components. After you finish disassembling, refer to Front Camera Assembly for how to reassemble.

  • Page 87: 5G Mmwave Antenna Remove

    Disassembly and Assembly 5G mmWave Antenna Remove The 5G mmWave antenna is only supplied with United States devices. Check the screws at the 2 different points on the left 5G mmWave antenna module and remove them using a cross-head screwdriver. When removing the screws, be careful not to damage the battery.
  • Page 88 Disassembly and Assembly Remove the lower 5G mmWave antenna module. When removing the 5G mmWave antenna module, be careful not to damage it. Separate the left 5G mmWave antenna and connector from the metal bracket. If the 5G mmWave antenna feels stuck, apply a microwaveable heating bag for •...
  • Page 89 Disassembly and Assembly Insert the pointed end of your tweezers in the gap between the edge of the right 5G mmWave antenna and the frame. Pull the 5G mmWave antenna out of its recess until you can grab it with the tweezers or your fingers.
  • Page 90 Disassembly and Assembly Remove the upper 5G mmWave antenna. Be careful not to damage the battery. When removing the 5G mmWave antenna, be careful not to damage it. • Be careful not to damage the near components. • Do not use a connector or cable to pull out the module. •...

  • Page 91: Screen Module

    Disassembly and Assembly Screen Module The screen module consists of the screen, metal bracket, and battery. As they are bonded to each other, they cannot be separated.

  • Page 92: Reassembly For Replacement

    Disassembly and Assembly Reassembly for Replacement Before reassembling: Remove the adhesive tape residues perfectly. • Prepare all existing screws of this device and adhesive tapes for the back cover and • front camera. Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. •...

  • Page 93: 5G Mmwave Antenna Assembly

    Disassembly and Assembly 5G mmWave Antenna Assembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. The 5G mmWave antenna is only supplied with United States devices. Before reinstalling the upper right 5G mmWave antenna, you need to replace the adhesive tape on the upper 5G mmWave antenna.
  • Page 94 Disassembly and Assembly Using the tweezers, insert that 5G mmWave antenna module in the upper right slot and press down lightly with your fingers so that the antenna module is fully fitted. When assembling the 5G mmWave antenna module, be careful not to bend it. Replace the metal bracket with a new one before reinstalling the lower left 5G mmWave antenna module.
  • Page 95 Disassembly and Assembly Place the antenna in the new metal bracket’s recess with the connector positioned underneath the longer screw mount and combine them. Assemble the 5G mmWave antenna with the connector. When assembling the 5G mmWave antenna module, be careful not to bend it.
  • Page 96 Disassembly and Assembly Remove the thin adhesive liner on the outside of the metal bracket and insert the 5G mmWave antenna module in the lower left slot using the tweezers or your fingers. Press down lightly with your fingers so that the antenna module is fully fitted. Be careful not to damage the battery.

  • Page 97: Front Camera Assembly

    Disassembly and Assembly Front Camera Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, remove the adhesive tape from the front camera hole completely.
  • Page 98 Disassembly and Assembly Remove the bottom release film of a new adhesive tape for the front camera with the tweezers. Attach the new adhesive tape (1 ea) for the front camera. Using the tweezers, align the outside shape of the tape with the position of the camera hole and attach it accurately.
  • Page 99 Disassembly and Assembly Using the tweezers, hold the protruding release film of the attached tape and carefully remove it. Place the front camera in the camera hole so that the lens faces forward, and gently insert the front camera. Press down softly and evenly on the camera module so that the front camera can be fully inserted.

  • Page 100: Main Board Assembly

    Disassembly and Assembly Main Board Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Align the main board module onto the device frame. Make sure to move the flex cables out of the way to ensure that it lies flush (flat) in its place.
  • Page 101 Disassembly and Assembly Using the tweezers or your fingers, connect 3 connectors on the main board. Be careful not to damage the near components and PBA. For the United States 5G devices, using the tweezers or your fingers, connect 2 additional 5G mmWave antenna connectors on the main board. Be careful not to damage the battery connector and near components.
  • Page 102 Disassembly and Assembly Check the black screw 3489 (1 ea) and fasten the screw on the camera frame using a cross-head screwdriver. Be careful not to damage the camera lens. Using the tweezers, position the top speaker in the correct location and gently press it down to secure it in place.
  • Page 103 Disassembly and Assembly Using the tweezers and fingers, connect the top FRC cable connector on the main board. Check the screw 3428 (5 ea) at the 5 different points and fasten the 5 screws to the main board. Be careful not to damage the camera lens and top speaker.
  • Page 104 Disassembly and Assembly Connect the interconnect cable to the main board and frame. Be careful not to damage the battery connector and near components.

  • Page 105: Charging Port Assembly

    Disassembly and Assembly Charging Port Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, insert the charging port module to the bottom metal frame of device, and press down on it in its position smoothly.
  • Page 106 Disassembly and Assembly Connect the 2 interconnect cables to the main board and charging port. Be careful not to damage the near components. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.
  • Page 107 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.

  • Page 108: Wireless Charging Module And Bottom Speaker Assembly

    Disassembly and Assembly Wireless Charging Module and Bottom Speaker Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, assemble the lower part of the speaker module, and press down on it in its position with your fingers until you hear a locking sound.
  • Page 109 Disassembly and Assembly Connect 2 connectors of the NFC module and UWB module. Insert and fasten the screw 3428 (11 ea) at the 11 different points on the metal plate and the lower side speaker module using a cross-head screwdriver.

  • Page 110: Back Cover Assembly

    Disassembly and Assembly Back Cover Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Before attaching the back cover, make absolutely sure that there are no screws, miscellaneous parts, or other foreign objects on the inside of the device (among the battery, PBA, etc.).
  • Page 111 Disassembly and Assembly Using your fingers, remove all the remaining release film on the device. Attach the back cover and press down on the edges of the back cover. Check the gap between back cover and the metal frame. If you feel the some gap, remove the back cover and attach it again. Some foreign materials can be inside the device.
  • Page 112 Disassembly and Assembly Press down the edges of the back cover evenly in order to attach the back cover perfectly.

  • Page 113: Button Assembly

    Disassembly and Assembly Button Assembly The buttons are already included in the screen module. Replace them only if they need to be repaired. Remove the release film of new Volume button. Using your fingers, grab the Volume button and insert it on the slot carefully. Be careful not to damage the buttons and device.
  • Page 114 Disassembly and Assembly Press down the Volume button softly and evenly so that the button can be completely assembled. Press the button to make sure it clicks. It should have the same sound and feel as before disassembly. Remove the release film of new Side button. Using your fingers, grab the Side button and insert it on the slot carefully.
  • Page 115 Disassembly and Assembly Press down the Side button softly and evenly so that the button can be completely assembled. Press the button to make sure it clicks. It should have the same sound and feel as before disassembly.

  • Page 116: Pen Assembly

    Disassembly and Assembly S Pen Assembly Insert the S Pen into the slot and push it in its position.

  • Page 117: Sim Card Tray Assembly

    Repair Assistant app after repairing and assembling your device. Refer to Calibrations for more information. Visit a Samsung Service Center when finding some issues from the calibration • results. However, you may incur additional charges if the device has a...
  • Page 118 This guide is a property of Samsung Electronics Co., Ltd. Any unauthorized use of guide can be punished under applicable international and/or domestic law. © Samsung Electronics Co., Ltd.

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