Samsung SM-A166B Repair Manual
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Samsung SM-A166B Repair Manual

Samsung SM-A166B Repair Manual

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REPAIR GUIDE
SM-A166B
SM-A166U
SM-A166U1
English. 05/2025. Rev.1.1
www.samsung.com

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Summary of Contents for Samsung SM-A166B

  • Page 1 REPAIR GUIDE SM-A166B SM-A166U SM-A166U1 English. 05/2025. 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 55 Fasteners (Adhesives and Materials) for Assembly Disassembly and Reassembly for replacement...
  • Page 4 Table of Contents 103 Top Receiver 103 Disassembly 105 Reassembly 108 Bottom Speaker 108 Disassembly 109 Reassembly 113 Volume Button 113 Disassembly 114 Reassembly 115 Side Button (Fingerprint Recognition Sensor) 115 Disassembly 116 Reassembly 117 Screen Module 117 Disassembly 123 Reassembly 131 Screen 131 Disassembly 139 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 QFR01 QCA12 QCA13 QCA14 QCA11 QAR01 QFP01 QCR12 QBA01 QSP01 QME01 QRU01 QIF01 QCB11 QMI11 QMO11 QVO01 QCR12 QRE01...

  • Page 50: Parts List

    Exploded View and Parts List Parts List Number Name QSM01 SIM Card Tray QRE01 Rear Bracket QCA11 Front Camera QIF01 Charging Port QCA12 Rear Camera(Ultra Wide) QCA13 Rear Camera(Wide) QCA14 Rear Camera(Macro) QFP01 Side Button(Fingerprint Recognition Sensor) QME01 Main Flex Cable(Sub PBA to PBA) QBA01 Battery QFR01...

  • Page 51: Disassembly And Assembly

    Disassembly and Assembly Disassembly and Assembly Tools for Disassembly and Assembly When repairing devices, you absolutely must wear protective equipment for your safety. Tool & Part Code Image Description Prevents accidents during repair Safety Goggles (protective equipment) Safety Gloves (ESD Prevents accidents during repair Safe, Cut-resistant) (protective equipment)
  • Page 52 Disassembly and Assembly Tool & Part Code Image Description Prevents electrostatic damage ESD Safe Mat (recommended) Ejection Pin Pin for ejecting the SIM card tray Cross-head Tool for screwing in cross-head Screwdriver screws Tool for disassembling the back Opening Pick cover and other parts Tool for disassembling the Opening Tool...
  • Page 53 Disassembly and Assembly Tool & Part Code Image Description Tool for handling connectors, cables, and other parts Because it is possible • to damage parts or 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 into the top press tray when pressing the back cover, screen, or battery using press fixture Top Rubber Pad The rubber pad for the • screen and back cover is each different.

  • 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 GH81-26599A Screw 3373...
  • Page 56 Disassembly and Assembly Item Quantity Image Description Top Receiver Double sided adhesive tape Adhesive Tape for attaching the receiver to screen module GH81-26634A Bottom Speaker Double sided adhesive tape Adhesive Tape for attaching the speaker to screen module GH81-26636A Double sided adhesive tape for attaching the sides of the Screen Side screen to the metal frame...

  • Page 57: Disassembly And Reassembly For Replacement

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

  • Page 59: Sim Card Tray

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

  • Page 60: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, 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 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.
  • Page 64 Disassembly and Assembly...
  • Page 65 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the camera deco and remove it carefully from the back cover. Be careful not to damage the camera deco.

  • Page 66: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Before attaching the back cover, make absolutely sure that there are no screws, miscellaneous parts, or other foreign objects on the inside of the device (among the battery, PBA, etc.).
  • Page 67 Disassembly and Assembly Using your fingers, insert the camera deco carefully from the right side and assemble it. Push down the camera deco softly with your fingers so that it can be assembled well. Be careful not to damage the camera and camera deco. •...
  • Page 68 Disassembly and Assembly Using the tweezers or your fingers, gently press around the edges and camera deco to ensure a secure fit. Using the tweezers or your fingers, remove the release film of the adhesive tape with grabbing the film handle.
  • Page 69 Disassembly and Assembly Attach the back cover and press down on the edges of the back cover. Check the gap between back cover and the metal frame. If you feel the some gap, remove the back cover and attach it again. Some foreign materials can be inside the device.
  • Page 70 Disassembly and Assembly Place the device on the back cover side of the bottom press tray at the correct position.
  • Page 71 Disassembly and Assembly Insert the top rubber pad for the back cover into the top press tray. Press down all edges of the pad using your fingers, and ensure that the pad is fully seated. Make sure the top rubber pad is properly attached to the hook of the top press tray.
  • Page 72 Disassembly and Assembly Place the top press tray over the bottom press tray, and press down until you hear a click on all four sides. Then, keep it securely in place for 5 minutes.
  • Page 73 Disassembly and Assembly After 5 minutes, gently lift the clips on the top, bottom, left, and right sides to remove the top press tray.
  • Page 74 Disassembly and Assembly Disconnect the device from the bottom press tray.

  • Page 75: Rear Bracket

    Disassembly and Assembly Rear Bracket Disassembly Remove the Back Cover first before you begin. Check the 15 screws at the 15 different points on the rear and remove them using a cross-head screwdriver. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 76 Disassembly and Assembly Using the opening pick, separate the fingerprint recognition sensor connector from the main board. Insert the opening pick in the gap between the left edge of bracket and the device module, and increase the gap by moving it on the left edge. Slide the opening pick along the left edge and separate the edge of bracket carefully from the screen module.
  • Page 77 Disassembly and Assembly...
  • Page 78 Disassembly and Assembly...

  • Page 79: 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. Attach the rear bracket carefully from the bottom. As the bracket can be damaged by excessive force, be careful not to damage the bracket.
  • Page 80 Disassembly and Assembly Push down all edges of the rear bracket with your fingers softly and evenly so that the rear bracket can be assembled perfectly. Be careful not to damage the battery. As the bracket can be damaged by excessive force, be careful not to damage the •...
  • Page 81 Disassembly and Assembly Check the screws 3373 (15 ea) at the 15 different points and fasten the 15 screws. Be careful not to damage the near components.
  • Page 82 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 83: 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 Bracket first before you begin. Using the tweezers, disconnect the battery connector first from the main board. Disconnect the 2 connectors and 1 coaxial cable connector from the charging port using the tweezers.
  • Page 84 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 85 Disassembly and Assembly Using the tweezers or your fingers, separate the charging port rubber carefully from the charging port module. Be careful not to damage the charging port and the near components. • The charging port rubber should be used again when reassembling, so be •...

  • 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 or your fingers, assemble the charging port rubber carefully from the new charging port module.
  • Page 87 Disassembly and Assembly Using the tweezers, remove the clear film from the new screen module connector adhesive tape and apply it to the charging port module. Be careful not to damage the charging port and the near components. Press the adhesive tape with your fingers softly so that it can be attached well, and remove the release film from the tape.
  • Page 88 Disassembly and Assembly Using the tweezers, insert the charging port module to the bottom metal 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 1 screw using a cross-head screwdriver.
  • Page 89 Disassembly and Assembly Using your fingers, press down the screen module connector on the adhesive tape of charging port softly and attach it. Be careful not to damage the charging port and the near components. Using the tweezers or your fingers, connect the 2 connectors and 1 coaxial cable connector to the charging port.
  • Page 90 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. Reassemble Rear Bracket Back Cover to complete assembly.

  • Page 91: Front Camera

    Disassembly and Assembly Front Camera Disassembly Remove Back Cover Rear Bracket first before you begin. Using the tweezers, disconnect the battery connector first from the main board. Separate the front camera connector from main board and remove the front camera carefully from device.

  • 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. Using the fingers or tweezers, 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 battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components. Reassemble Rear Bracket Back Cover to complete assembly.

  • Page 94: Rear Camera

    Disassembly and Assembly Rear Camera Disassembly Remove SIM Card Tray, Back Cover Rear Bracket first before you begin. Using the tweezers, disconnect the battery connector first from the main board. Disconnect the 2 connectors and 1 coaxial cable connector from the main board using the tweezers.
  • Page 95 Disassembly and Assembly...
  • Page 96 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 97 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. Be careful not to damage the near components, the battery connector, and the •...
  • Page 98 Disassembly and Assembly 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 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. Using the tweezers or your fingers, connect the rear camera connectors to the main board.
  • Page 100 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. Using the fingers or tweezers, place the front camera in the camera hole so that the lens faces forward, and gently insert the front camera.
  • Page 101 Disassembly and Assembly Using the tweezers or your fingers, connect the 2 connectors and 1 coaxial cable connector to the main board. Be careful not to damage the cable. • Be careful not to damage the main board and near components. •...
  • Page 102 Disassembly and Assembly Connect the battery connector to the main board. Be careful not to damage the battery. Be careful not to damage the battery connector and near components. Reassemble Rear Bracket, Back Cover SIM Card Tray to complete assembly.

  • Page 103: 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 Bracket first before you begin. Check for the disassembly steps of the Rear Camera and completely separate up to the main board module.
  • Page 104 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the top receiver on the screen module and remove it carefully. Be careful not to damage the receiver and the near components.

  • 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. Remove the release film from the new top receiver and assemble the receiver to the exact position of the screen module using the tweezers or your fingers. Press the top receiver with your fingers softly so that the receiver can be assembled well.
  • Page 107 Disassembly and Assembly Check for the reassembly steps of the Rear Camera and completely reassemble up to the receiver and main board module. Be careful not to damage the battery. Be careful not to damage the battery connector and near components. Reassemble Rear Bracket,...

  • Page 108: Bottom Speaker

    Disassembly and Assembly Bottom Speaker The bottom speaker is already built into the screen module. Disassemble the speaker only if the speaker itself requires repairs. Disassembly Remove Back Cover Rear Bracket first before you begin. Check for the disassembly steps of the Charging Port and Microphone and completely separate up to the charging port module.

  • Page 109: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, remove adhesive tape from where the bottom speaker was attached.
  • Page 110 Disassembly and Assembly Using the tweezers, hold the protruding release film of the attached tape and carefully remove it. Remove the release film from the new bottom speaker and assemble the speaker to the exact position of the screen module using the tweezers or your fingers. Press the bottom speaker with your fingers softly so that the speaker can be assembled well.
  • Page 111 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 module connector adhesive tape and apply it to the charging port module.
  • Page 112 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. Be careful not to damage the charging port and the near components. Check for the reassembly steps of the Charging Port and Microphone and completely reassemble up to the speaker and charging port module.

  • Page 113: Volume Button

    Disassembly and Assembly Volume Button The buttons are already pre-installed in the rear bracket. 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 114: 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 new Volume button. Use your fingers to grab the Volume button and insert the button on the slot carefully.

  • Page 115: 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 116: Reassembly

    Disassembly and Assembly Reassembly Remove the release film from new Side button module. Using the tweezers or your fingers, grab the Side button module and insert it to the rear bracket carefully. Using the tweezers, grab the rubber for Side button module and assemble each end of it exactly to the rear bracket.

  • Page 117: Screen Module

    Disassembly and Assembly Screen Module The screen module consists of the screen, metal bracket, and battery. Disassembly Remove SIM Card Tray, Back Cover Rear Bracket first before you begin. Using the tweezers, disconnect the battery connector first from the main board. Disconnect the 2 connectors of the blue coaxial cable and remove it completely.
  • Page 118 Disassembly and Assembly Using the tweezers, disconnect the 4 flex cable connectors and remove the flex cable completely. When removing the connectors, be careful not to damage the cable. • Be careful not to damage the near components. •...
  • Page 119 Disassembly and Assembly Using the tweezers, separate the screen module connector carefully from the charging port module and lift it up. Separate the front camera connector from main board and remove the front camera carefully from device. Leave the camera lens facing up.
  • Page 120 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 near components. • Be careful not to damage the charging port and the near components. •...
  • Page 121 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 near components, the battery connector, and the • main board. The FPCB cables have to be positioned outside so as not to interfere when •...
  • Page 122 Disassembly and Assembly Using the tweezers, lift up on the separator groove of the charging port module and remove it carefully. Be careful not to damage the charging port and the near components. Using the tweezers, lift up on the separator groove of vibrator motor and remove it carefully from the screen module.

  • Page 123: 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 124 Disassembly and Assembly Remove the release film from the adhesive tape. Be careful not to damage the vibrator motor. Using the fingers or tweezers, 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 125 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 module connector adhesive tape and apply it to the charging port module.
  • Page 126 Disassembly and Assembly Using the tweezers, insert the charging port module to the bottom metal 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.
  • Page 127 Disassembly and Assembly Check the screw 1530 (2 ea) at the 2 different points on the main board and the charging port, and fasten the 2 screws using a cross-head screwdriver. Be careful not to damage the main board and the near components. •...
  • Page 128 Disassembly and Assembly Using your fingers, press down the screen module 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 129 Disassembly and Assembly Place the blue 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 130 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. Reassemble Rear Bracket, Back Cover SIM Card Tray to complete assembly.

  • Page 131: Screen

    Disassembly and Assembly Screen The screen can only be replaced at an authorised repair shop. If the screen is faulty, contact Samsung for further action. Disassembly Remove SIM Card Tray, Back Cover Rear Bracket first before you begin. Check for the disassembly steps of the...
  • Page 132 Disassembly and Assembly Place the screen module on the bottom press tray and secure it with ten screws removed from the rear bracket using a cross-head screwdriver in the screw holes located on the back of the bottom press tray. Leaving screws inside the device may damage internal components, such as the battery.
  • Page 133 Disassembly and Assembly Heat the microwaveable heating bag and apply it on the screen for 5 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 134 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. Be careful that the suction cup does not adhere to the area where the tape or sticker is attached.
  • Page 135 Disassembly and Assembly While pulling up the suction cup with strong, steady force to create the gap between the screen and the metal frame, place the wide side of the opening pick in the gap between the top edge of the screen and the metal frame and slice through the adhesive of screen edge.
  • Page 136 Disassembly and Assembly Heat the microwaveable heating bag for 30 seconds (Standard: 700 W microwave) and apply to screen for 3 minutes to soften the tape stuck inside the product. It is possible for the device or battery to be damaged by heat. •...
  • Page 137 Disassembly and Assembly Place the suction cup in the centre of the screen and pull up the suction cup with strong, steady force to separate the screen from the metal frame. Lift up the screen slowly and remove it completely from the device. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use.
  • Page 138 Disassembly and Assembly...

  • Page 139: Reassembly

    Disassembly and Assembly Reassembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers and your fingers, remove all adhesive tapes on the metal frame. Make sure to remove any residual tapes attached to the metal frame before •...
  • Page 140 Disassembly and Assembly Remove the transparent film of the new screen left adhesive tape. Using the tweezers, align the adhesive tape precisely on the metal frame and attach it. Be careful not to damage the device and the near components. Remove the transparent film of the new screen right adhesive tape.
  • Page 141 Disassembly and Assembly Using your fingers, gently press around the tape to ensure a secure fit. Remove the transparent film of the new screen side adhesive tape. Using the tweezers, align the adhesive tape precisely on the metal frame and attach it. Be careful not to damage the device and the near components.
  • Page 142 Disassembly and Assembly Using the tweezers and your fingers, gently press around the edges of tape to ensure a secure fit. Using the 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 143 Disassembly and Assembly Carefully insert the screen connector of the new screen into the screen connector hole of the metal frame and attach the screen slowly.
  • Page 144 Disassembly and Assembly Press down the screen evenly in order to attach the screen perfectly. Ensure that there are no abnormalities.
  • Page 145 Disassembly and Assembly Insert the top rubber pad for the screen into the top press tray. Press down all edges of the pad using your fingers, and ensure that the pad is fully seated. Make sure the top rubber pad is properly attached to the hook of the top press tray.
  • Page 146 Disassembly and Assembly Place the top press tray over the bottom press tray, and press down until you hear a click on all four sides. Then, keep it securely in place for 5 minutes.
  • Page 147 Disassembly and Assembly After 5 minutes, gently lift the clips on the top, bottom, left, and right sides to remove the top press tray.
  • Page 148 Disassembly and Assembly Check the 10 screws at the 10 different points on the rear and remove them using a cross-head screwdriver. Remove the display module from the bottom press tray. 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, 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 module connector adhesive tape and apply it to the charging port module.
  • Page 150 Disassembly and Assembly Check for the reassembly steps of the Screen Module and completely reassemble up to the charging port module and main board module. Reassemble Rear Bracket, Back Cover SIM Card Tray to complete assembly.

  • Page 151: Battery

    Disassembly and Assembly Battery The battery can only be replaced at an authorised repair shop. • If the battery is faulty, contact Samsung for further action. • The separated battery may be damaged. Do not use it again. • Disassembly...
  • Page 152 Disassembly and Assembly...
  • Page 153 Disassembly and Assembly Separate the front camera connector from main board and remove the front camera carefully from device. Leave the camera lens facing up. Be careful not to touch the camera lens while handing it. • Be careful not to damage the camera and the near components. •...
  • Page 154 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. Be careful not to damage the near components, the battery connector, and the main board.
  • Page 155 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 156: 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 remaining adhesive tapes on the metal frame. Make sure to remove any residual tapes attached to the metal frame before •...
  • Page 157 Disassembly and Assembly Using the tweezers or your fingers, 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 metal frame using your fingers.
  • Page 158 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 be positioned outside so as not to interfere • when assembling the battery.
  • Page 159 Disassembly and Assembly Place the screen module on the press bottom at the correct position. Be careful not to damage the battery. Be careful not to damage the near components.
  • Page 160 Disassembly and Assembly Insert the top rubber pad for the battery into the top press tray. Press down all edges of the pad using your fingers, and ensure that the pad is fully seated. Make sure the top rubber pad is properly attached to the hook of the top press tray.
  • Page 161 Disassembly and Assembly Place the top press tray over the bottom press tray, and press down until you hear a click on all four sides. Then, keep it securely in place for 5 minutes.
  • Page 162 Disassembly and Assembly After 5 minutes, gently lift the clips on the top, bottom, left, and right sides to remove the top press tray.
  • Page 163 Disassembly and Assembly Disconnect the screen module from the bottom press tray. 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 164 Disassembly and Assembly Check the screw 1530 (1 ea) at the different point on the main board and fasten the 1 screw using the cross-head screwdriver. Be careful not to damage the main board and the near components. Using the fingers or tweezers, place the front camera in the camera hole so that the lens faces forward, and gently insert the front camera.
  • Page 165 Disassembly and Assembly 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. • When connecting the connectors, be careful not to damage the cable. •...
  • Page 166 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 167: 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 168 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.

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