Samsung SM-F741BE Repair Manual
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Samsung SM-F741BE Repair Manual

Samsung SM-F741BE Repair Manual

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REPAIR GUIDE
SM-F741B
SM-F741BE
SM-F741U
SM-F741U1
English. Rev.1.1
www.samsung.com

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Summary of Contents for Samsung SM-F741BE

  • Page 1 REPAIR GUIDE SM-F741B SM-F741BE SM-F741U SM-F741U1 English. Rev.1.1 www.samsung.com...

  • Page 2: Table Of Contents

    Updating Software through Smart Switch Recovering from a Software Update Failure Recovering on Another Computer 10 Performing a Factory Data Reset Quality Test Quality Test Using the Samsung Members App Device Diagnostics Test Items Calibrations 26 Calibrations 26 Used Parts and Calibration Functions in Supported Models...
  • Page 3 Table of Contents 40 Touch Screen Panel Calibration 42 Speaker Calibration 44 Under-display Camera Calibration (Fold Models Only) 46 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 49 Exploded View 50 Parts List Disassembly and Assembly 52 Tools for Disassembly and Assembly 55 Fasteners (Adhesives and Materials) for Assembly Disassembly and Reassembly for replacement...
  • Page 4 Table of Contents 102 Front Camera 102 Disassembly 105 Reassembly 108 Rear Camera 108 Disassembly 109 Reassembly 110 Top Speaker 110 Disassembly 111 Reassembly 115 Bottom Speaker 115 Disassembly 116 Reassembly 119 Volume Button 119 Disassembly 120 Reassembly 121 Side Button (Fingerprint Recognition Sensor) 121 Disassembly 126 Reassembly 133 Screen Module...

  • 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-authorized 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 Center 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 Center. Test Items Function: Check whether your device can read • near field communication (NFC) tags that contain information about products.
  • Page 14 ‒ FAQ: View frequently asked questions. ‒ History: View your device’s restart history. Official software Function: Check whether the software is working • normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Service information: View the Samsung Service Center location.
  • Page 15 Quality Test Mobile network Function: Check whether your mobile network is • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Settings: Configure your mobile network settings. ‒ FAQ: View frequently asked questions. Sensors Function: Check whether the sensors are working •...
  • Page 16 Quality Test Touch screen Function: Check whether the touchscreen is • working normally. Provided information • ‒ Status: View whether the feature is working normally. Buttons Function: Check whether the buttons are working • normally. How to check: • Press the buttons by following the directions on the screen.
  • Page 17 Quality Test Speaker Function: Check whether the speakers are • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Speaker types: View the status of each speaker. ‒ FAQ: View frequently asked questions. Vibration Function: Check whether the vibration feature is •...
  • Page 18 Quality Test Camera Function: Check whether the rear and front cameras are working normally. • How to check: • Tap the camera button to test the rear and front cameras. The picture that was taken will be displayed to check the quality of the pictures. Provided information •...
  • Page 19 Quality Test Function: Check whether the microphone is working normally. • How to check: • 1) Tap Record and say something for the recording. 2) When the recording is finished, tap Play and select a button according to the question. Provided information •...
  • Page 20 Quality Test Location accuracy Function: Check whether the location accuracy is • working normally. How to check: • Tap Start. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. The results might be more accurate when you test outside.
  • Page 21 Quality Test Bluetooth Purpose: Check whether Bluetooth can search for • other Bluetooth devices. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, the Bluetooth feature must be activated.
  • Page 22 Quality Test Face recognition Purpose: Check whether the face recognition • sensor is working. How to check: • Look at the screen. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, your face must be registered.
  • Page 23 Quality Test S Pen Purpose: Check whether the S Pen is 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 24 How to check: • Connect a charger to your device. Provided information • ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the charger you connected. Use only Samsung-approved chargers.
  • Page 25 ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the wireless charger you put your device on. Use only Samsung-approved wireless chargers. Battery status Function: Check the battery values and analysis. • Provided information •...

  • Page 26: Calibrations

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

  • Page 27: Using The Self Repair Assistant App

    Calibrations Depending on the model, the screen module may include batteries. So when • the screen module is replaced, the battery also has to be selected and a battery cycle reset must be performed. In the Fold models, touch screen panel calibration is performed for both the •...
  • Page 28 Calibrations Read Privacy Notice and tap Continue. If you are not signed in to your • Samsung account, a button will appear to sign in. If you select the link to read the full • Privacy Notice, you will be directed to...
  • Page 29 Calibrations Check permissions and tap Continue. Select the part that you have replaced and tap Next. The required calibrations will be • conducted automatically. If the device does not have certain • components or sensors associated with the part that has been replaced, relative calibration will be skipped automatically.
  • Page 30 Calibrations Read the on-screen instructions and tap Start. Refer to Optical Fingerprint Sensor Calibration, Resetting the Battery Cycle Count, Range Sensor Calibration, Touch Screen Panel Calibration, Speaker Calibration, Under-display Camera Calibration (Fold Models Only), and Digital Hall Sensor Calibration (Fold and Flip Models Only) for more information.
  • Page 31 Calibrations Check the results of each calibration item. Completed: Calibration was done • normally. Failed: Calibration failed. • Skipped: Calibration was skipped. • On the calibration results page, tap Close to close the app. Restart your device to finish calibrating.

  • Page 32: Optical Fingerprint Sensor Calibration

    Calibrations Optical Fingerprint Sensor Calibration Whenever the screen is replaced, the optical fingerprint sensor must be calibrated to guarantee 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 33 Calibrations Check the part and calibration and then tap Start. Read the on-screen instructions and tap Start. The white calibration box must be prepared before you start. Put the white calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger.
  • Page 34 Calibrations Put the black calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger. Tap Next and keep pushing the rubber with your finger until you see the success message. The black calibration box must be •...

  • Page 35: Resetting The Battery Cycle Count

    Calibrations Check the result of the calibration. Completed appears only when the calibration is successfully completed. If Completed does not appear, try calibrating again. Resetting the Battery Cycle Count The battery cycle count should be reset whenever your device’s battery is replaced. Launch the Self Repair Assistant app.
  • Page 36 Calibrations Check part and calibration and tap Start. Tap Start. Read the on-screen instructions and tap Scan to scan the QR code, or tap Enter manually to enter the serial number manually.
  • Page 37 Calibrations Scan the QR code or enter the serial number that appears on the battery package. The reset will begin. Check the calibration results.

  • Page 38: Range Sensor Calibration

    Calibrations Range Sensor Calibration When replacing screens, batteries, back glasses, or charging ports, range sensor calibration is required to ensure the range sensors of devices equipped with them are 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 39 Calibrations Read the on-screen instructions and tap Start. In a dark room or area, place the phone face-down, then press the Volume button. The calibration will perform automatically. A tone will play when calibration is complete. Check the calibration result.

  • Page 40: Touch Screen Panel Calibration

    Calibrations Touch Screen Panel Calibration When replacing screens, touch screen panel calibration is required to ensure accurate touch input. Touch screen panel calibration is available through the Self Repair Assistant app. In the Fold models, touch screen panel calibration is performed for both the main and cover screens.
  • Page 41 Calibrations Read the on-screen instructions and tap Start. The calibration will perform automatically and the screen will turn white during calibration. Check the calibration result.

  • Page 42: Speaker Calibration

    Calibrations Speaker Calibration When replacing speakers, the speaker must be calibrated to guarantee 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 43 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.

  • Page 44: Under-Display Camera Calibration (Fold Models Only)

    Calibrations Under-display Camera Calibration (Fold Models Only) Whenever the screen is replaced, the under-display camera must be calibrated to guarantee 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 45 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.

  • Page 46: Digital Hall Sensor Calibration (Fold And Flip Models Only)

    The boot screen (the screen where the Samsung and carrier logos appear) will appear normally and then turn off, so it is not a hardware failure.
  • Page 47 Calibrations Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next. Check part and calibration and tap Next. Tap Start.
  • Page 48 Calibrations The calibration will perform automatically. Check the calibration result.

  • Page 49: Exploded View And Parts List

    Exploded View and Parts List Exploded View and Parts List The 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 50: Parts List

    Exploded View and Parts List Parts List Number Name QCR255 Screw 3487 QCR251 Screw 3506 QCA01 Rear Camera(Wide) QCA02 Rear Camera(Ultra Wide) QCR258 Screw 3442 QCR257 Screw 3489 QCR241 Screw 3507 QBR08 Bottom Metal Plate QCA11 Front Camera QIF01 Charging Port QAN11 5G mmWave Antenna QME03...
  • Page 51 Exploded View and Parts List Number Name QFR02 Cover Screen QSM01 SIM Card Tray QBR07 Cover Screen Cable Connector Cover QFR01 Screen Module QUB01 Main Screen QBA01 Main Battery QBA02 Sub Battery QBC01 Back Cover...

  • Page 52: 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 53 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, cover screen, and other parts Tool for disassembling the Opening Tool...
  • Page 54 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 55: 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 the metal frame GH81-26116A Screws for the bottom...
  • Page 56 Disassembly and Assembly Item Quantity Image Description Screw 3487 Screw for the camera (1 ea) 6001-003487 Front Camera Double sided adhesive Adhesive Tape tape for attaching the front camera to the screen module GH81-24007A Top FPCB Insulation Adhesive tape to attach Adhesive Tape on the top FPCB cable connector...

  • Page 57: Disassembly And Reassembly For Replacement

    Disassembly and Assembly Disassembly and Reassembly for replacement The product’s composition may vary depending on the country, region, or carrier. Before disassembling: Unplug and turn off device before disassembling. • Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. •...
  • Page 58 Disassembly and Assembly Press the acrylic protective cover with strong force so that it is strongly attached to the glass. Wait more than 5 minutes until the bond between the acrylic protective cover and the glass is strengthened. Acrylic protective cover Follow the disassembly steps in this guide.

  • Page 59: Sim Card Tray

    Disassembly and Assembly SIM Card Tray Disassembly Prepare the device to repair by yourself. Insert the ejection pin into the hole of the SIM card tray to loosen the tray and pull out the tray gently from the tray slot.

  • Page 60: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. Insert the SIM card tray back into the slot. Ensure that there are no abnormalities.

  • Page 61: Back Cover

    Disassembly and Assembly Back Cover Disassembly When removing the back cover, ensure that the device is fixed on a flat surface. Heat the microwaveable heating bag and apply it on the back cover for 3 minutes to soften the adhesive. It is possible for the device or battery to be damaged by heat.
  • Page 62 Disassembly and Assembly Place the suction cup in the center of the left edge of the back cover, and lift it upward 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 63 Disassembly and Assembly While pulling up the suction cup with strong, steady force to create the gap between the back cover and the metal frame, place the opening pick in the gap between the back cover and the metal frame and slide the opening pick back and forth along the edge to slice through the adhesive.
  • Page 64 Disassembly and Assembly...

  • Page 65: 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 66 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 67 Disassembly and Assembly Using the tweezers or your fingers, remove the release film of the adhesive tape with grabbing the green film handle. Attach the back cover and press down on the edges of the back cover. Check the gap between the back cover and metal frame.
  • Page 68 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.

  • Page 69: Cover Screen

    Disassembly and Assembly Cover Screen Disassembly When removing the cover screen, ensure that the device is fixed on a flat surface. Heat the microwaveable heating bag and apply it on the cover screen for 3 minutes to soften the adhesive. It is possible for the device or battery to be damaged by heat.
  • Page 70 Disassembly and Assembly Place the suction cup in the center of the left edge of the cover screen, and lift it upward carefully. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use. As the cover screen can be damaged by excessive force, be careful not to •...
  • Page 71 Disassembly and Assembly While pulling up the suction cup with strong, steady force to create the gap between the cover screen and the metal frame, place the opening pick in the gap between the cover screen and the metal frame and slide the opening pick back and forth along the edge to slice through the adhesive.
  • Page 72 Disassembly and Assembly...
  • Page 73 Disassembly and Assembly Using the tweezers, disassemble the cover screen’s FPCB cable connector cover first before removing the cover screen. When removing the cover screen’s FPCB cable connector cover, be careful not to • damage the FPCB cable. The FPCB cable connector cover should be used again when reassembling, so be •...
  • Page 74 Disassembly and Assembly Disassemble the FPCB cable connector of the cover screen with the tweezers and separate the cover screen completely. Be careful not to put your fingertips or any foreign objects on the rear cameras and cover screen lens ( ).

  • Page 75: 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 cover 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 76 Disassembly and Assembly Remove the transparent film of the new cover screen 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 77 Disassembly and Assembly Using the tweezers or your fingers, remove the release film of the adhesive tape with grabbing the green film handle. Using the tweezers or your fingers, assemble the cover screen’s FPCB cable connector first. Be careful not to damage the FPCB cable.
  • Page 78 Disassembly and Assembly Assemble the cover screen’s FPCB cable connector cover with your fingers or the tweezers and press down the cover softly. Be careful not to damage the FPCB cable. Attach the cover screen and press down on the edges of the cover screen. Check the gap between the cover screen and the metal frame.
  • Page 79 Disassembly and Assembly Press down the edges of the cover screen evenly in order to attach the cover screen perfectly. Ensure that there are no abnormalities.

  • Page 80: Charging Port And Microphone

    Disassembly and Assembly Charging Port and Microphone The microphone is built into the charging port module. Disassembly Remove the Back Cover first before you begin. Check the 2 screws (Black 2 ea) on the bottom metal plate and the 4 screws (Silver 2 ea, Black 2 ea) on the bottom speaker and remove them using a cross-head screwdriver.
  • Page 81 Disassembly and Assembly Using the tweezers, lift up the bottom metal plate carefully and separate it from the device. Then, disconnect the sub battery connector first. Make sure to first disconnect the battery connector for your own safety. • Be careful not to damage the battery. •...
  • Page 82 Disassembly and Assembly Using the tweezers, lift up on the bottom center of the speaker module and pull it out from the device carefully. While pressing down the upper right of the FPCB cable lightly with your fingers, separate the upper adhesive parts of the wireless charging module carefully from the right to the left.
  • Page 83 Disassembly and Assembly Adhesive part Adhesive part Adhesive part...
  • Page 84 Disassembly and Assembly Using the tweezers, disconnect the 2 FPCB cable connectors from the charging port. Be careful not to damage the near components. Check the screws at the 2 different points on the charging port and remove them using a cross-head screwdriver. Be careful not to damage the near components.
  • Page 85 Disassembly and Assembly After lifting the FPCB cables up carefully, lift up on the separator groove to the upper left of the charging port module using the tweezers. Then remove it. Be careful not to damage the battery. Be careful not to damage the near components.

  • Page 86: 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 87 Disassembly and Assembly Using your fingers, 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. • Assemble the lower part of the speaker module with the tweezers, and press down on it in its position with your fingers until you hear a clocking sound.
  • Page 88 Disassembly and Assembly Using your fingers, attach the adhesive parts of the wireless charging module. Be careful not to damage or tear the adhesive parts of the wireless charging module. Adhesive part Adhesive part Connect the NFC antenna connector. Be careful not to damage the connector and near components.
  • Page 89 Disassembly and Assembly Connect the Sub battery connector. Be careful not to damage the battery. Be careful not to damage the battery connector and near components. Assemble the bottom metal plate. Be careful not to damage the near components.
  • Page 90 Disassembly and Assembly Check the screw 3507 (Black 2 ea) at the 2 different points on the bottom metal plate and fasten them using a cross-head screwdriver. Then, check the screw 3442 (Silver 2 ea) and the screw 3489 (Black 2 ea) at the 4 different points on the lower speaker module and fasten them using a cross-head screwdriver.

  • Page 91: Main Board

    Disassembly and Assembly Main Board The PBA can only be replaced at an authorized repair shop. If the PBA is faulty, contact Samsung for further instruction. Disassembly Remove the SIM Card Tray Cover Screen first before you begin. Check the total of 8 screws, including the 6 screws on the upper metal plate, the screw on the camera frame, and the screw on the upper rear cover, and then remove them using a cross-head screwdriver.
  • Page 92 Disassembly and Assembly Using the tweezers, lift up the upper metal plate carefully and separate it from the device. Then, disconnect the main battery connector. Make sure to first disconnect the battery connector for your own safety. • Be careful not to damage the battery. •...
  • Page 93 Disassembly and Assembly Using the tweezers, disconnect the flash connector from the main board. Then, lift up on the separator groove to the right corner of the upper rear cover and remove it. Be careful not to damage the main board and near components.
  • Page 94 Disassembly and Assembly Using the tweezers, remove the top FPCB insulation adhesive tape from the main board. Be careful not to damage the main board and near components. Using the tweezers, disconnect 5 connectors from the main board. For the United States 5G devices, disconnect the additional 5G mmWave antenna connector.
  • Page 95 Disassembly and Assembly...

  • Page 96: 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. Align the main board module onto the device frame. After attaching the lower part of the main board diagonally on the screen module, assemble the upper part.
  • Page 97 Disassembly and Assembly For the United States 5G devices, connect the additional 5G mmWave antenna connector on the main board with the tweezers or your fingers. Be careful not to damage the main board and near components. The 5G mmWave antenna module and its connector are only available in United •...
  • Page 98 Disassembly and Assembly Using the tweezers, align the new top FPCB insulation adhesive tape on the main board and attach the tape. Gently press down it to ensure a secure fit. Be careful not to damage the main board and near components. Using the tweezers or your fingers, remove the release film of the tape.
  • Page 99 Disassembly and Assembly Using the tweezers, position the upper rear cover 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. Using the tweezers and fingers, connect the flash connector on the main board. Be careful not to damage the main board and near components.
  • Page 100 Disassembly and Assembly Connect the main 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 or your fingers, assemble the upper metal plate carefully and press down on it in its position.
  • Page 101 Disassembly and Assembly Check the screw 3487 (1 ea) on the camera frame and fasten it using a cross-head screwdriver. Then, check the screw 3506 (7 ea) at the 7 different points on the upper metal plate and the upper rear cover and fasten them using a cross-head screwdriver. Be careful not to damage the near components.

  • Page 102: Front Camera

    Disassembly and Assembly Front Camera Disassembly Remove the SIM Card Tray, Cover Screen, and Main Board first before you begin. 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.
  • Page 103 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. Then, remove the front camera carefully with the tweezers or your fingers, and leave the camera lens facing up.
  • Page 104 Disassembly and Assembly...

  • Page 105: 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 from the front camera hole completely.
  • Page 106 Disassembly and Assembly Gently press down the tape with the tweezers so that the tape can be attached well. Be careful not to damage the near components. Using the tweezers, hold the protruding release film of the attached tape and carefully remove it.
  • Page 107 Disassembly and Assembly 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. Press down softly and evenly on the camera module so that the front camera can be fully inserted. Be sure to place the camera in the correct position.

  • Page 108: Rear Camera

    Disassembly and Assembly Rear Camera Disassembly Remove the SIM Card Tray, Cover Screen, and Main Board first before you begin. Disconnect the rear camera connector from the main board using the tweezers, and remove the rear camera carefully from the main board. Leave the camera lens facing up. Be careful not to touch the camera lens while removing the camera.

  • 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 and your fingers, connect the rear camera connector on the main board.

  • Page 110: Top Speaker

    Disassembly and Assembly Top Speaker Disassembly Remove the SIM Card Tray, Cover Screen, and Main Board first before you begin. • The top speaker is already built into the screen module. Disassemble the • speaker only if the speaker itself requires repairs. Lift up on the separator groove of the top speaker using the tweezers and remove it carefully from the screen module.

  • Page 111: 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, remove the release film of a new top speaker adhesive tape (1 ea).
  • Page 112 Disassembly and Assembly Gently press down the tape with the tweezers so that the tape can be attached well. Be careful not to damage the near components. Using the tweezers, hold the protruding release film of the attached tape and carefully remove it.
  • Page 113 Disassembly and Assembly Remove the release film from the new top speaker and assemble the speaker to the exact position of the screen module using the tweezers or your fingers. Be careful not to damage the speaker and near components.
  • Page 114 Disassembly and Assembly Press the top speaker with your fingers softly so that the speaker can be assembled well. Be careful not to damage the speaker and near components. Reassemble the Main Board, Cover Screen, and SIM Card Tray to complete assembly.

  • Page 115: Bottom Speaker

    Disassembly and Assembly Bottom Speaker Disassembly Remove the Back Cover first before you begin. Check for the disassembly steps of the Charging Port and Microphone and separate the wireless charging module and speaker module simultaneously from the device. Using the tweezers, separate the wireless charging module and the bottom speaker module from each other.

  • Page 116: 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 part of the wireless charging module to the bottom speaker module and attach it accurately.
  • Page 117 Disassembly and Assembly Gently press down the adhesive part with the fingers so that the wireless charging module can be attached well. Be careful not to damage the speaker and near components. Check for the reassembly steps of the Charging Port and Microphone and completely reassemble the wireless charging module and speaker module to the device.
  • Page 118 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 119: Volume Button

    Disassembly and Assembly Volume 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, lightly press one end of the button with your fingers so that the other end protrudes.

  • Page 120: 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. Using your fingers, grab the Volume button and insert it on the slot carefully.

  • Page 121: Side Button (Fingerprint Recognition Sensor)

    Disassembly and Assembly Side Button (Fingerprint Recognition Sensor) The buttons are already built into the screen module. Disassemble the buttons • only if the buttons themselves require repairs. The Side button has a built-in fingerprint recognition sensor. Thus, it cannot be •...
  • Page 122 Disassembly and Assembly Using the tweezers, lift up the upper metal plate carefully and separate it from the device. Then, disconnect the main battery connector with the tweezers. Make sure to first disconnect the battery connector for your own safety. •...
  • Page 123 Disassembly and Assembly Using the tweezers, disconnect the fingerprint recognition sensor connector. Be careful not to damage the battery. Be careful not to damage the main board and near components.
  • Page 124 Disassembly and Assembly Check the screws at the 2 different points on the metal bracket and remove them using a cross-head screwdriver. Be careful not to damage the battery. 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 125 Disassembly and Assembly Using the tweezers, remove the plastic bracket from the screen module. The Side button module (fingerprint recognition sensor) is removed together with the bracket. Be careful not to damage the near components.

  • 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. Using the tweezers, remove the release film of the new plastic bracket. Combine the plastic bracket with the Side button module carefully.
  • Page 127 Disassembly and Assembly Using the tweezers, grab the Side button module and insert it into the slot of the screen module carefully. Gently press down softly the button module with the tweezers. Be careful not to put the bracket in the wrong direction. •...
  • Page 128 Disassembly and Assembly Using the tweezers, align the new water-resistant tape precisely at the top of the bracket and attach it. Gently press down softly with your fingers. Be careful not to damage the near components. Remove the release film of the tape. Be careful not to damage the near components.
  • Page 129 Disassembly and Assembly Using the tweezers, align the new air vent tape precisely at the bottom of the bracket and attach it. Gently press down softly with your fingers. Be careful not to damage the near components. Remove the release film of the tape. Be careful not to damage the near components.
  • Page 130 Disassembly and Assembly Using your tweezers, assemble the metal bracket on the screen module. Check the screw 3442 at the 2 different points on the metal bracket and fasten them using a cross-head screwdriver. Be careful not to damage the battery. Be careful not to damage the near components.
  • Page 131 Disassembly and Assembly Connect the fingerprint recognition sensor connector and the main battery connector. Be careful not to damage the battery. Be careful not to damage the main board and near components. Using the tweezers or your fingers, assemble the upper metal plate carefully and press down on it in its position.
  • Page 132 Disassembly and Assembly Check the screw 3506 at the 6 different points on the upper metal plate and fasten them using a cross-head screwdriver. Be careful not to damage the main board and near components. Reassemble the Cover Screen to complete assembly.

  • Page 133: Screen Module

    Disassembly and Assembly Screen Module Disassembly Remove the SIM Card Tray, Back Cover, Cover Screen, Charging Port and Microphone, Main Board, and Front Camera one by one. For the United States 5G devices, follow the next steps to remove the 5G mmWave antenna additionally.
  • Page 134 Disassembly and Assembly Remove the 5G mmWave antenna module. When removing the 5G mmWave antenna module, be careful not to damage it. Using the tweezers, separate the 5G mmWave antenna and connector from the metal bracket. While separating the 5G mmWave antenna module, the metal bracket may be bent or damaged.

  • Page 135: 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. For the United States 5G devices, reassemble the 5G mmWave antenna first before you begin.
  • Page 136 Disassembly and Assembly Remove the thin adhesive liner on the outside of the metal bracket. Insert the 5G mmWave antenna module in the right slot using the tweezers or your fingers. Press down lightly with your fingers so that the antenna module is fully fitted.

  • Page 137: Battery

    The 2 batteries should always be replaced at the same time. • The battery can only be replaced at an authorized repair shop. If the battery is • faulty, contact Samsung for further action. Disassembly Remove the SIM Card Tray,...
  • Page 138 Disassembly and Assembly...
  • Page 139 Disassembly and Assembly Using the tweezers and your fingers, carefully separate the thin metal plate attached under the main battery and lift it up slowly. Then, remove it completely from the device. As the adhesive securing the metal plate is very strong, remove the metal plate •...
  • Page 140 Disassembly and Assembly To remove the sub battery, check for the disassembly steps of the Charging Port and Microphone and separate the wireless charging module and speaker module simultaneously from the device. Using the tweezers, disconnect the 2 FPCB cable connectors from the charging port. Be careful not to damage the near components.
  • Page 141 Disassembly and Assembly Using your fingers, grab the tape attached to the right side of the sub battery and separate it carefully from the battery. Then, grab the tape handle attached to the lower side of the sub battery with your fingers and pull it up carefully. Slowly lift up the sub battery from the device and remove it completely.

  • Page 142: 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 with tweezers, remove the release film of a new metal plate adhesive tape (1 ea) for the main battery.
  • Page 143 Disassembly and Assembly Using the tweezers, hold the protruding release film of the attached tape and carefully remove it. The FPCB cables and connectors have to positioned outside so as not to • interfere when assembling the battery. Be careful not to damage the near components. •...
  • Page 144 Disassembly and Assembly Using the tweezers, hold the green film handle of the new main battery and carefully remove the release film from the battery. Be careful not to damage the battery. Using the tweezers, align the center sponge of the new sponge tape (1 ea) for the main battery with the center blue tape of the battery and attach it accurately.
  • Page 145 Disassembly and Assembly Using the tweezers or your fingers, carefully remove the remaining release film from the new main battery. Be careful not to damage the battery. With the battery connector on the right, carefully place the main battery based on the lower right side of the battery.
  • Page 146 Disassembly and Assembly Press the main battery with your fingers softly so that the battery can be attached well. Be careful not to damage the battery. The FPCB cables and connectors have to positioned outside so as not to • interfere when assembling the battery.
  • Page 147 Disassembly and Assembly With the battery connector on the left, carefully place the sub battery based on the upper left side of the battery. Then, assemble the sub battery to the exact position of the screen module using your fingers. Be careful not to damage the battery.
  • Page 148 Disassembly and Assembly Press the sub battery with your fingers softly so that the battery can be attached well. Be careful not to damage the battery. The FPCB cables and connectors have to positioned outside so as not to • interfere when assembling the battery.
  • Page 149 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 150 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.
  • Page 151 SENSOR A-Hall Sensor UFS Storage MEMORY 6 axis #1 CAM MCU Secure NVM 6 axis #2 Magnetic FOLD_DET HALL_IC Proxi/Light #1 eUSB repeater Proxi/Light #2 Barometer IF PMIC AUDIO Direct MAIN MIC Charger 2nd MIC 3rd MIC RCV Amp MAIN PMIC SPK Amp MAIN PMICx4...

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