Samsung SM-A266B Repair Manual
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Samsung SM-A266B Repair Manual

Samsung SM-A266B Repair Manual

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REPAIR GUIDE
SM-A266B
SM-A266U/U1
English. 06/2025. Rev.1.1
www.samsung.com

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Summary of Contents for Samsung SM-A266B

  • Page 1 REPAIR GUIDE SM-A266B SM-A266U/U1 English. 06/2025. 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 Tools for Disassembly and Assembly 56 Fasteners (Adhesives and Materials) for Assembly 58 Disassembly and Reassembly for replacement...
  • Page 4 Table of Contents 94 Rear Camera 94 Disassembly 99 Reassembly 104 Top Receiver 104 Disassembly 105 Reassembly 108 Button 108 Disassembly 109 Reassembly 110 Side Button (Fingerprint Recognition Sensor) 110 Disassembly 115 Reassembly 122 Screen module 122 Disassembly 133 Reassembly 146 Screen 146 Disassembly 154 Reassembly...

  • 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 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 Centre 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 recognised 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 Centre 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 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 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. 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 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 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 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 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 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 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 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 product’s composition may vary depending on the country, region, or carrier. Exploded View QUB01 QFR01 QVO01 QSM01 QCA12 QCA13 QCA14 QCA11 QBR01 QAR01 QME02 QFP01 QBR02 QBR03 QCR12 QMP01 QMO11 QIF01 QCR12...

  • Page 50: Parts List

    Exploded View and Parts List Parts List Number Name QCR12 Screw 1530 QCR524 Screw 3524 QCA12 Rear Camera QCA11 Front Camera QCA14 Rear Camera(Macro) QCA13 Rear Camera(Wide) QAN01 Rear(Top) QAR01 Receiver QMO11 Vibrator Motor QCB03 Antenna Flex Cable(Red) QCB11 Antenna Flex Cable(Blue) QBR02 Side Button(Fingerprint Recognition Sensor) Metal Holder QIF01...

  • 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. 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 52 Disassembly and Assembly Tool & Part Code Image Description Prevent electrostatic damage ESD Safe Mat (recommended) Ejection Pin Pin for ejecting the SIM Card Tray Cross-head Tools 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 ESD Safe Tweezers components when using sharp tweezers, use and Round tip metal tweezers tweezers made with plastic or rubber material.
  • Page 54 Disassembly and Assembly Tool & Part Code Image Description Tool to place the device when pressing the back cover, screen, or battery 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 Bottom Press Tray...
  • Page 55 Disassembly and Assembly Tool & Part Code Image Description Tool to cover the battery when pressing the battery using the press fixture Battery Rubber Pad This tool is available to use by the rental of tool kit that contains a complete set of the tools for self repair service.

  • Page 56: 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 the device frame Screw 3524 Screws for the rear...
  • Page 57 Disassembly and Assembly Item Quantity Image Description Double sided adhesive tape for attaching the left of screen to the device frame Screen Left This tape is only Adhesive Tape available when the screen itself is repaired. Double sided adhesive tape for attaching the right of screen to the device frame Screen Right...

  • Page 58: 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 device before disassembling. •...
  • Page 59 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 60: 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. Reassembly Leaving screws inside the device may damage internal components, such as the battery.

  • 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 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 63 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 Repeat this on the all sides of the back cover and 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 device frame and attach it. Using the tweezers, gently press around the edges to ensure a secure fit.
  • Page 67 Disassembly and Assembly 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 back cover and the device frame. If you feel the some gap, remove the back cover and attach it again.
  • 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. 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 69 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 70 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 71 Disassembly and Assembly Insert the top rubber pad for the back cover 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 pad may vary depending on the device. Carefully place the top press tray over the bottom press tray.
  • Page 72 Disassembly and Assembly Position the entire back cover 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 1 minute. Keep your hands out of the press fixture to avoid mechanical pinching and injury.
  • Page 73 Disassembly and Assembly When the press is completed after 1 minute, rotate the torque limit handle to the anticlockwise and remove the tray from the press fixture.
  • Page 74 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 75 Disassembly and Assembly...
  • Page 76 Disassembly and Assembly...

  • Page 77: Rear Top And Bottom

    Disassembly and Assembly Rear Top and Bottom Disassembly Remove Back Cover first before you begin. If only the rear top needs to be removed, disassemble only the rear top. Check and remove the screws at the 16 different points at the top and bottom of the rear using a cross-head screwdriver.
  • Page 78 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the rear top and remove it carefully. Be careful not to damage the main board and near components.
  • Page 79 Disassembly and Assembly Using the tweezers, disconnect the fingerprint recognition sensor connector and the battery connector from the main board. Then lift up on the separator groove of rear bottom and remove it carefully. Make sure to disconnect the battery connector for your own safety. •...

  • Page 80: 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. If only the rear top was disassembled, reassemble the rear top only. Using the tweezers, assemble the rear bottom above the charging port and press down on it in its position with your fingers.
  • Page 81 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. Connect the fingerprint recognition sensor connector to the main board.
  • Page 82 Disassembly and Assembly Using the tweezers, assemble the rear top above the main board and press down on it in its position with your fingers. Be careful not to damage the main board and near components.
  • Page 83 Disassembly and Assembly Check the screw 3524 (16 ea) at the 16 different points on the top of rear, and fasten them using a cross-head screwdriver. Be careful not to damage the near components.
  • Page 84 Disassembly and Assembly Check carefully 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 Back Cover to complete assembly.

  • Page 85: Charging Port And Microphone

    Disassembly and Assembly Charging Port and Microphone The microphone is built into the charging port module. Disassembly Remove Back Cover Rear Top and Bottom first before you begin. Using the tweezers, disconnect the 2 connectors and 2 coaxial cable connectors from the charging port.
  • Page 86 Disassembly and Assembly Check the 1 screw on the charging port and remove them using a cross-head screwdriver. Be careful not to damage the charging port and the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.

  • Page 87: 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 clear film from the new screen module connector adhesive tape and apply it to the new charging port module.
  • Page 88 Disassembly and Assembly Insert the charging port module to the bottom device frame of device, and press down on it in its position smoothly. Be careful not to damage the charging port and the near components. Check the screw 1530 (1 ea) at the different point on the charging port and fasten the screw using a cross-head screwdriver.
  • Page 89 Disassembly and Assembly Using your fingers, press down the screen connector on the adhesive tape of charging port softly and attach it. Be careful not to damage the charging port and the near components. Connect the 2 connectors and the 2 coaxial cable connectors to the charging port. Be careful not to damage the cable.

  • Page 90: Front Camera

    Disassembly and Assembly Front Camera Disassembly Remove Back Cover first before you begin. Check for the disassembly steps of the Rear Top and Bottom and completely separate up to the main board module.
  • Page 91 Disassembly and Assembly Using the tweezers, disconnect the fingerprint recognition sensor connector and the battery connector from the main board. Then, separate the front camera connector from the main board and remove the front camera carefully from the device. Leave the camera lens facing up. Make sure to disconnect the battery connector for your own safety.

  • Page 92: 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. Place the front camera in the camera hole so that the lens faces forward, and gently insert the front camera.
  • Page 93 Disassembly and Assembly Connect the fingerprint recognition sensor connector to the main board. Check for the reassembly steps of the Rear Top and Bottom and completely reassemble up to the rear top. Reassemble Back Cover to complete assembly.

  • Page 94: Rear Camera

    Disassembly and Assembly Rear Camera Separate and replace only the problematic camera. Disassembly Remove Back Cover first before you begin. Check for the disassembly steps of the Rear Top and Bottom and completely separate up to the main board module.
  • Page 95 Disassembly and Assembly Using the tweezers, disconnect the fingerprint recognition sensor connector and the battery connector from the main board. If you need to replace the macro camera, disconnect the macro camera connector from the main board and carefully remove the macro camera.
  • Page 96 Disassembly and Assembly Macro camera...
  • Page 97 Disassembly and Assembly Check the 1 screw on the main board, and remove them using a cross-head screwdriver. Be careful not to damage the main board and the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 98 Disassembly and Assembly Using the tweezers, separate the rear camera connectors from the main board and remove the rear camera carefully from the device. Leave the camera lens facing up. Be careful not to touch the camera lens while removing the camera. •...

  • Page 99: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Connect the rear camera connectors to the main board. Leave the camera lens facing Be careful not to drop the camera while connecting the connector.
  • Page 100 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 101 Disassembly and Assembly Check the screw 1530 (1 ea) at the different point on the main board and fasten the 1 screw using a cross-head screwdriver. Be careful not to damage the main board and the near components. Connect the 2 connectors and 2 coaxial cable connectors and the front camera connector connectors to the main board.
  • Page 102 Disassembly and Assembly If you have removed place the macro camera so that the lens faces upward and connect the macro camera connector carefully on the main board. Connect the battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components.
  • Page 103 Disassembly and Assembly Connect the fingerprint recognition sensor connector to the main board. Check for the reassembly steps of the Rear Top and Bottom and completely reassemble up to the rear top. Reassemble Back Cover to complete assembly.

  • Page 104: Top Receiver

    Disassembly and Assembly Top Receiver The top receiver is already built into the screen module. Disassemble the receiver only if the receiver itself requires repairs. Disassembly Remove SIM Card Tray, Back Cover Rear Top and Bottom first before you begin. Check for the disassembly steps of the Rear Camera and completely separate up to...

  • 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 adhesive tape from where the top receiver was attached. Make sure to remove any residual tapes attached to the position of the •...
  • Page 106 Disassembly and Assembly Using the tweezers, hold the protruding release film of the attached tape and carefully remove it. Using the tweezers, remove release film of the attached adhesive tape to the new top receiver.
  • Page 107 Disassembly and Assembly Assemble the receiver to the exact position of the device frame using the tweezers Press the top receiver and FPCB softly so that the receiver can be assembled well. Be careful not to damage the receiver and the near components. Check for the reassembly steps of the Rear Camera and completely reassemble up to...

  • Page 108: Button

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

  • 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. 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 110: Side Button (Fingerprint Recognition Sensor)

    Disassembly and Assembly Side Button (Fingerprint Recognition Sensor) The buttons are already included in the rear bracket. Replace them only if they • need to be repaired. The Side button has a built-in fingerprint recognition sensor. Thus, it cannot be •...
  • Page 111 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the rear top and remove it carefully. Be careful not to damage the main board and near components.
  • Page 112 Disassembly and Assembly Using the tweezers, disconnect the fingerprint recognition sensor connector and the battery connector from the main board. Then lift up on the metal bracket and remove it carefully. Make sure to disconnect the battery connector for your own safety. •...
  • Page 113 Disassembly and Assembly Using the tweezers, remove adhesive tape from the plastic bracket. Then, remove the plastic bracket and the side button module (fingerprint recognition sensor) from the screen module. The side button module (fingerprint recognition sensor) is removed together with the bracket.
  • Page 114 Disassembly and Assembly Remove the plastic bracket from the side button module (fingerprint recognition sensor).

  • Page 115: Reassembly

    Disassembly and Assembly Reassembly Using the tweezers, remove the release film of new plastic bracket. Combine the plastic bracket with the side button module (fingerprint recognition sensor) carefully. Be careful not to damage the button and device.
  • Page 116 Disassembly and Assembly Grab the side button module (fingerprint recognition sensor) and insert it on the slot carefully. Be careful not to put the bracket in the wrong direction. • The 2 white lines on the side button FPCB cable should be outside the plastic •...
  • Page 117 Disassembly and Assembly Using the tweezers, align the new plastic bracket tape precisely at the plastic bracket and attach it and gently press down softly. Be careful not to damage the near components. Remove the blue release film of the tape. Be careful no to damage the near components.
  • Page 118 Disassembly and Assembly Using your tweezers, assemble the metal bracket on the screen module. 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 119 Disassembly and Assembly Connect the fingerprint recognition sensor connector to the main board. Using the tweezers, assemble the rear top above the main board and press down on it in its position with your fingers. Be careful not to damage the main board and near components.
  • Page 120 Disassembly and Assembly Check the screw 3524 (8 ea) at the 8 different points on the top of rear, and fasten them using a cross-head screwdriver.
  • Page 121 Disassembly and Assembly Check the screw 1530 (2 ea) at the 2 different points of the metal bracket and fasten them using a cross-head screwdriver. Check carefully to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.).

  • Page 122: Screen Module

    Disassembly and Assembly Screen module The screen module consists of the screen, device frame, and battery. Disassembly Remove SIM Card Tray Back Cover first before you begin. Check and remove the screws at the 18 different points at the top and bottom and the metal bracket of the rear using a cross-head screwdriver.
  • Page 123 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the rear top and remove it carefully. Be careful not to damage the main board and near components.
  • Page 124 Disassembly and Assembly Using the tweezers, disconnect the fingerprint recognition sensor connector and the battery connector from the main board. Then lift up on the separator groove of rear bottom and remove it carefully. Make sure to disconnect the battery connector for your own safety. •...
  • Page 125 Disassembly and Assembly Using the tweezers, lift up on the metal bracket and remove it carefully.
  • Page 126 Disassembly and Assembly Using the tweezers, gently lift up the bottom part of the plastic bracket, then press the side button (fingerprint recognition sensor) to remove it from the screen module.
  • Page 127 Disassembly and Assembly Using the tweezers, disconnect the 2 connectors of the blue coaxial cable and remove it completely. When removing the connectors, be careful not to damage the cable. • Be careful not to damage the near components. •...
  • Page 128 Disassembly and Assembly Using the tweezers, disconnect the 2 connectors of the red coaxial cable and remove it completely. When removing the connectors, be careful not to damage the cable. • Be careful not to damage the near components. •...
  • Page 129 Disassembly and Assembly Using tweezers, disconnect the 4 flex cable connectors and remove the flex cable completely. Using the tweezers, separate the screen connector carefully from the charging port module and lift it up. Using the tweezers, separate the front camera connector from main board and remove the front camera carefully from device.
  • Page 130 Disassembly and Assembly Check the 2 screws on the main board and the charging port, and remove them using a cross-head screwdriver. Be careful not to damage the main board and the charging port and 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 131 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the main board, and remove it carefully. Be careful not to damage the battery. Using the tweezers, lift up on the separator groove of the charging port module, and remove the charging port module carefully.
  • Page 132 Disassembly and Assembly Using the tweezers, separate the vibrator motor FPCB and lift up on the separator groove of vibrator motor and remove it carefully from the screen module. Be careful not to damage the vibrator motor and the near components.

  • Page 133: 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. Remove the adhesive tape on the bottom of the vibrator motor. Be careful not to damage the vibrator motor.
  • Page 134 Disassembly and Assembly Remove the release film from the adhesive tape. Be careful not to damage the vibrator motor. Using the fingers, assemble the vibrator motor to the exact position of the screen module and press it with fingers softly. Be careful not to damage the vibrator motor and near components.
  • Page 135 Disassembly and Assembly Using the tweezers, remove the adhesive tape from the charging port module carefully. Be careful not to damage the charging port and the near components. Using the tweezers, remove the clear film from the new screen connector adhesive tape and apply it to the new charging port module.
  • Page 136 Disassembly and Assembly Press the adhesive tape with your fingers softly so that it can be attached well, and remove the release film from the tape. Using the tweezers, insert the charging port module to the bottom device frame of device and press down on it in its position smoothly.
  • Page 137 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 138 Disassembly and Assembly Check the screw 1530 (2 ea) at the different point on the main board and charging port and fasten the 2 screws using a cross-head screwdriver. Be careful not to damage the main board and charging port and the near components.
  • Page 139 Disassembly and Assembly Using your fingers, press down the screen connector on the adhesive tape of charging port softly and attach it. Be careful not to damage the charging port and the near components. Place the flex cable to the device frame and connect the 4 connectors carefully. Be careful not to damage the main board and the near components.
  • Page 140 Disassembly and Assembly Place the red coaxial cable to the device frame and connect the 2 connectors carefully. Be careful not to damage the main board and the near components. • When connecting the connectors, be careful not to damage the cable. •...
  • Page 141 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. Gently press down the plastic bracket and assemble it completely to the screen module.
  • Page 142 Disassembly and Assembly Using the tweezers, assemble the metal bracket on the screen module. Using the tweezers, assemble the rear bottom above the charging port and press down on it in its position with your fingers. Be careful not to damage the charging port and the near components.
  • Page 143 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. Connect the fingerprint recognition sensor connector to the main board.
  • Page 144 Disassembly and Assembly Using the tweezers, assemble the rear top above the main board and press down on it in its position with your fingers. Be careful not to damage the main board and near components. Check the screw 3524 (16 ea) at the 16 different points on the top of rear, and fasten them using a cross-head screwdriver.
  • Page 145 Disassembly and Assembly Check the screw 1530 (2 ea) at the 2 different points of the metal bracket and fasten them using a cross-head screwdriver. Check carefully to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.).

  • Page 146: Screen

    Disassembly and Assembly Screen Disassembly Remove Back Cover Rear Top and Bottom first before you begin. Using the tweezers, disconnect the 4 coaxial cable connectors. Then, disconnect the 4 flex cable connectors and remove the flex cable completely. When removing the connectors, be careful not to damage the cable. •...
  • Page 147 Disassembly and Assembly Using the tweezers, separate the screen connector carefully from the charging port module and lift it up. Then, separate the front camera connector from the main board and remove the front camera carefully from the device. Leave the camera lens facing Be careful not to damage the charging port and the near components.
  • Page 148 Disassembly and Assembly Check the 2 screws on the main board and the charging port, and remove them using a cross-head screwdriver. Be careful not to damage the charging port and 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 149 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the main board, and remove it carefully. Be careful not to damage the main board and the near components. Using the tweezers, lift up on the separator groove of the charging port module, and remove the charging port module carefully.
  • Page 150 Disassembly and Assembly Heat the microwaveable heating bag and apply it on the screen for 3 minutes to soften the adhesive of screen edge. 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 151 Disassembly and Assembly Place the suction cup in the centre of the top edge of the screen, and lift it upwards carefully. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use. If you have trouble creating a gap, heat the microwaveable heating bag additionally, and apply it on the back cover to further soften the adhesive.
  • Page 152 Disassembly and Assembly While pulling up the suction cup with strong, place the metal opening tool in the gap between the top front camera’s right part of the screen and the device frame. While lowering the handle of the metal opening tool, lift up the top edge of the screen to separate it from the device frame.
  • Page 153 Disassembly and Assembly...

  • Page 154: 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 all adhesive tapes on the device frame. Make sure to remove any residual tapes attached to the device frame before •...
  • Page 155 Disassembly and Assembly Remove the transparent film of new screen left adhesive tape. Using the tweezers, align the adhesive tape precisely on the device frame and attach it. Be careful not to damage the device and the near components. Remove the transparent film of new screen right adhesive tape. Using the tweezers, align the adhesive tape precisely on the device frame and attach it.
  • Page 156 Disassembly and Assembly Gently press around the tape to ensure a secure fit. Remove the transparent film of new screen side adhesive tape. Using the tweezers, align the adhesive tape precisely on the device frame and attach it. Be careful not to damage the device and the near components.
  • Page 157 Disassembly and Assembly Using the tweezers, gently press around the edges of tape to ensure a secure fit. Using tweezers and your fingers, remove all release films of the attached adhesive tapes one by one. Be careful not to damage the device and the near components.
  • Page 158 Disassembly and Assembly Carefully insert the screen connector of new screen into the screen connector hole of the device frame and attach the screen slowly. Press down the screen evenly in order to attach the screen perfectly. Ensure that there are no abnormalities.
  • Page 159 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 160 Disassembly and Assembly Remove the bottom press tray, top press tray, and top rubber pad for the screen from the rental tool kit packaging. Leave the bottom press tray so that the side for the screen is visible. Then, place the device into the tray facing up.
  • Page 161 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 pad may vary depending on the device. Carefully place the top press tray over the bottom press tray.
  • Page 162 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 163 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 164 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 165 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 166 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 167 Disassembly and Assembly Using the tweezers, remove the adhesive tape from the charging port module carefully. Be careful not to damage the charging port and the near components. Using the tweezers, remove the clear film from the new screen connector adhesive tape and apply it to the new charging port module.
  • Page 168 Disassembly and Assembly Using the tweezers, insert the charging port module to the bottom device frame of device and press down on it in its position smoothly. Be careful not to damage the charging port and the near components. 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 and the battery connector.
  • Page 169 Disassembly and Assembly Check the screw 1530 (2 ea) at the different point on the main board and charging port and fasten the 2 screws using the cross-head screwdriver. Be careful not to damage the main board and charging port and the near components.
  • Page 170 Disassembly and Assembly Using your fingers, press down the screen connector on the adhesive tape of charging port softly and attach it. Be careful not to damage the charging port and the near components. Place the flex cable to the device frame and connect the 4 connectors carefully. Be careful not to damage the main board and charging port and the near •...
  • Page 171 Disassembly and Assembly Connect the 4 coaxial cable connectors. Be careful not to damage the cable. • Be careful not to damage the charging port and near components. • Reassemble Rear Top and Bottom Back Cover to complete assembly.

  • Page 172: Battery

    Disassembly and Assembly Battery The separated battery may be damaged. Do not use it again. Disassembly Remove Back Cover Rear Top and Bottom first before you begin. Using tweezers, disconnect the 4 flex cable connectors and remove the flex cable completely.
  • Page 173 Disassembly and Assembly Using your fingers, grab the tapes attached to left side and bottom side of the battery and separate it carefully from the battery Then, grab the left side tape handle with fingers and pull it up carefully. Slowly lift up the battery from device and remove it completely.
  • Page 174 Disassembly and Assembly...

  • Page 175: 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 all the remaining adhesive tapes on the device frame. Make sure to remove any residual tapes attached to the device frame before •...
  • Page 176 Disassembly and Assembly Check the 2 white lines on the new battery FPCB cable and carefully fold the cable between the 2 white lines using your fingers. Be careful not to damage the battery. As the cable can be damaged by excessive force, be careful not to damage the cable when folding it.
  • Page 177 Disassembly and Assembly Using the tweezers, carefully remove the release film from new battery. Be careful not to damage the battery. With the battery connector on the left, carefully place the battery based on the upper left side of the battery. Assemble the battery to the exact position of the device frame.
  • Page 178 Disassembly and Assembly Press the battery with your fingers softly so that the battery can be attached well. Be careful not to damage the battery. 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 179 Disassembly and Assembly Now you can press the fully assembled battery using the press fixture. Remove the press fixture body and its handle from the rental tool kit packaging. Keep your hands out of the press fixture to avoid mechanical pinching and injury. This tool is only available to use by the rental of tool kit that contains a •...
  • Page 180 Disassembly and Assembly Remove the bottom press tray and the battery rubber pads (4 ea) from the rental tool kit packaging. Leave the bottom press tray so that the side for the battery is visible. Then, place the device into the tray facing down. You can choose the one side of the bottom press tray depending on the back •...
  • Page 181 Disassembly and Assembly Choose a battery-sized pad from the provided battery rubber pads and place it carefully on the battery. Be careful not to cover the battery rubber pad beyond the battery size. Position the entire bottom press tray with the device horizontally in the centre of the press fixture.
  • Page 182 Disassembly and Assembly Rotate the torque limit handle to the clockwise until it makes a sound. In that press state, stay the tray for 5 seconds. Keep your hands out of the press fixture to avoid mechanical pinching and injury. When you reach the required maximum force (1 N), a sound is made from the handle if you turn the handle.
  • Page 183 Disassembly and Assembly Remove the device and the rubber pad carefully from the tray.
  • Page 184 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 185: 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 186 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 187 SENSOR Grip Memory (Storage) 6 axis Magnetic Barometer IF PMIC Ambient Direct  AUDIO Charger MAIN MIC 2nd MIC PMIC Motor RCV Amp BATTERY SPK Amp POWER   CAMERA FLASH LED + FLICKER FRONT CAM REAR RF TX & RX UW CAM TRANSCIEVER REAR RF TX & RX WIDE CAM REAR MACRO CAM SIM/BT/NFC NFC + ESIM  COMBO DISPLAY MAIN  Dual SIM  Display Socket + ...

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