Samsung SM-A057G Repair Manual
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Samsung SM-A057G Repair Manual

Samsung SM-A057G Repair Manual

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REPAIR GUIDE
SM-A057G
English. Rev.1.0
www.samsung.com

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Summary of Contents for Samsung SM-A057G

  • Page 1 REPAIR GUIDE SM-A057G English. Rev.1.0 www.samsung.com...

  • Page 2: Table Of Contents

    Updating Software through Smart Switch Recovering from a Software Update Failure Recovering on Another Computer Performing a Factory Data Reset Quality Test Quality Test Using the Samsung Members App Device Diagnostics Test Items Calibrations 25 Calibrations 25 Used Parts and Calibration Functions in Supported Models...
  • Page 3 Table of Contents 43 Under-display Camera Calibration (Fold Models Only) 45 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 48 Exploded View 49 Parts List Disassembly and Assembly 50 Tools for Disassembly and Assembly 53 Fasteners (Adhesives and Materials) for Assembly 54 Disassembly for Replacement 55 SIM Card Tray Remove...

  • Page 4: Usage Notices

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

  • Page 5: Esd (Electrostatic Discharge) Precautions

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

  • Page 6: Instructional Icons

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

  • Page 7: Software Update

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

  • Page 8: Recovering From A Software Update Failure

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

  • Page 9: Performing A Factory Data Reset

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

  • Page 11: Quality Test

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

  • Page 12: Test Items

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

  • Page 25: Calibrations

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

  • Page 26: Using The Self Repair Assistant App

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

  • Page 31: Optical Fingerprint Sensor Calibration

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

  • Page 34: Resetting The Battery Cycle Count

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

  • Page 37: Range Sensor Calibration

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

  • Page 39: Touch Screen Panel Calibration

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

  • Page 41: Speaker Calibration

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

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

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

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

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

  • Page 48: Exploded View And Parts List

    Exploded View and Parts List Exploded View and Parts List The product’s composition may vary depending on the country, region, or carrier. Exploded View...

  • Page 49: Parts List

    Exploded View and Parts List Parts List Number Name QAR01 Receiver QBC01 Back Cover QCA01 Rear Camera QCA02 Front Camera QCA03 Rear Camera(Macro) QCA04 Rear Camera(Depth) QCB01 Antenna Flex Cable(White) QCR01 Screw 24378A QFR01 Screen module QIF01 Charging Port QME02 Side Button((fingerprint recognition sensor) QMO01 Vibrator Motor...

  • Page 50: 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 51 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 52 Disassembly and Assembly Tool & Part Code Image Description Tool for handling connectors, cables, and other parts Because it is possible • to damage parts or components when using ESD Safe Tweezers sharp tweezers, use and Round Tip tweezers made with plastic Metal Tweezers or rubber material.

  • Page 53: Fasteners (Adhesives And Materials) For Assembly

    Disassembly and Assembly Fasteners (Adhesives and Materials) for Assembly The fasteners composition may vary depending on the repair parts, country, region, or carrier. Item Quantity Image Description Back Cover Double sided adhesive tape Adhesive Tape for attaching the back cover to metal frame and rear case of the device GH81-24390A...

  • Page 54: Disassembly For Replacement

    Disassembly and Assembly Disassembly for Replacement Before disassembling: Unplug and turn off device before disassembling. • Remove the SIM card tray from the device. • Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. • The product’s composition may vary depending on the country, region, or carrier.

  • Page 55: Sim Card Tray Remove

    Disassembly and Assembly SIM Card Tray Remove Prepare the device to repair by yourself. Insert the ejection pin into the hole of the SIM card tray to loosen the tray and pull out the tray gently from the tray slot. After you finish disassembling, refer to SIM Card Tray Assembly for how to...

  • Page 56: Back Cover Remove

    Disassembly and Assembly Back Cover Remove When removing the back cover, ensure that the device is fixed on a flat surface. Heat the microwaveable heating bag and apply it on the left edge of the back cover for 3 minutes. It is possible for the device or battery to be damaged by heat.
  • Page 57 Disassembly and Assembly...
  • Page 58 Disassembly and Assembly Place the suction cup in the center of the left edge of the back cover, and lift upwards while separating it with the opening pick. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use.
  • Page 59 Disassembly and Assembly Slide your opening pick along the left edge to slice the adhesive. Leave the opening pick in the left edge side to prevent the adhesive from resealing. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm.
  • Page 60 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the bottom edge of the back cover for 3 minutes. Place the suction cup in the center of the bottom edge of the back cover, and lift upwards while separating it with the opening pick.
  • Page 61 Disassembly and Assembly Place the opening pick in the gap between the back cover and the screen module and increase the gap by pressing up/down/left/right on the bottom sides. Leave the opening pick in the bottom edge to prevent the adhesive from resealing. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm.
  • Page 62 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the right edge of the back cover for 3 minutes. Place the suction cup in the center of the right edge of the back cover.
  • Page 63 Disassembly and Assembly Pull up on the suction cup with strong, steady force to create a gap between the back cover and the frame. Slide the opening pick back and forth along the right edge to slice through the adhesive. Leave the opening pick inserted in the right edge to prevent the adhesive from resealing.
  • Page 64 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the top edge of the back cover for 3 minutes. Place the suction cup in the center of the top edge of the back cover, lift upwards, and then insert the opening pick in the gap at the top right edge.
  • Page 65 Disassembly and Assembly Slide the opening pick back and forth along the top edge to slice through the adhesive. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm.
  • Page 66 Disassembly and Assembly Lift up the back cover slowly and remove it gently.
  • Page 67 Disassembly and Assembly Remove all adhesive tapes and these tapes are located around the edges of the back cover ( ). Be careful not to put your fingertips or any foreign objects on the rear camera or • back cover lens ( ). Make sure to remove any residual tape ( ) attached to the inside of the back •...

  • Page 68: Charging Port Remove

    Disassembly and Assembly Charging Port Remove Check and remove the screws at the 17 different points at the bracket 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 69 Disassembly and Assembly Insert the opening pick in the gap between the top edge of bracket and the device module and increase the gap by moving it on the top edge. Slide your opening pick along the top edge and separate the bracket carefully from device module.
  • Page 70 Disassembly and Assembly Insert the opening pick in the gap between the left side edge of bracket and the device module, and increase the gap by moving it on the left side edge. Slide your opening pick along the left side edge and separate the bracket carefully from device module.
  • Page 71 Disassembly and Assembly Insert the opening pick in the gap between the bottom edge of bracket and the device module, and increase the gap by moving it on the bottom edge. Slide your opening pick along the bottom edge and separate the bracket carefully from device module.
  • Page 72 Disassembly and Assembly Insert the opening pick in the gap between the right side edge of bracket and the device module, and increase the gap by moving it on the right side edge. Slide your opening pick along the right side edge and separate the bracket carefully from device module.
  • Page 73 Disassembly and Assembly When the bracket is completely separated from device module, lift up it very slowly and carefully.
  • Page 74 Disassembly and Assembly Disconnect the fingerprint recognition sensor connector from the main board with the opening pick. Make sure to first disconnect the connector. • When removing the connectors, be careful not to damage the cable. • Be careful not to damage the battery and near components. •...
  • Page 75 Disassembly and Assembly While lifting the black protective tape up carefully, disconnect the battery connector from the main board with the opening pick. Make sure to first disconnect the battery connector for your own safety. • Be careful not to damage the battery. •...
  • Page 76 Disassembly and Assembly Disconnect a flex cable connector on the charging port using the opening pick. When removing the connectors, be careful not to damage the cable. • Be careful not to damage the near components. •...
  • Page 77 Disassembly and Assembly Disconnect the coaxial cable connector (White) on the charging port with the tweezers and your fingers. When removing the connectors, be careful not to damage the cable. • Be careful not to damage the near components. •...
  • Page 78 Disassembly and Assembly Using the tweezers, lift up the charging port very slowly and separate it completely. Be careful not to damage the near components. After you finish disassembling, refer to Charging Port Assembly for how to reassemble.

  • Page 79: Camera Remove

    Disassembly and Assembly Camera Remove You only need to disassemble the cameras if it needs to be repaired by itself of • camera. You can separate and replace only the problematic camera. • Separate the black protective tape carefully from the main board using your fingers. Be careful not to damage the near components.
  • Page 80 Disassembly and Assembly Separate the front camera connector with the opening pick. Be careful not to touch the camera while handing it. • Be careful not to damage the camera and the near components. •...
  • Page 81 Disassembly and Assembly Remove the front camera carefully by tweezers, and leave the camera lens facing up. Be careful not to touch the camera while handing it. • Be careful not to damage the camera and the near components. • Remove the adhesive foil from the separated front camera.
  • Page 82 Disassembly and Assembly Separate the rear camera connectors one by one carefully. Be careful not to damage the camera lens and near components. • Be careful not to damage the main board. • You can separate and replace only the problematic camera.
  • Page 83 Disassembly and Assembly Remove the camera carefully using your fingers, and leave the camera lens facing up. Be careful not to damage the camera lens and near components. • Be careful not to damage the main board. • You can separate and replace only the problematic camera. After you finish disassembling, refer to Camera Assembly for how to reassemble.

  • Page 84: Main Board Remove

    Main Board Remove The PBA can only be replaced at an authorized repair shop. If the PBA is faulty, contact Samsung for further instruction. Separate the two cable connectors from the main board using the opening pick. Be careful not to damage the main board and near components.
  • Page 85 Disassembly and Assembly Using the tweezers and your fingers, separate the coaxial cable (White) completely from the device module. Be careful not to damage the cable and near components.
  • Page 86 Disassembly and Assembly Using the tweezers, lift up the main board from the device module carefully and remove it. Be careful not to damage the battery and main board. • Be careful not to damage the near components and cables. •...

  • Page 87: Receiver Remove

    Disassembly and Assembly Receiver Remove Using the tweezers, lift up on the separator groove of receiver and remove it carefully from the device module. Be careful not to damage the receiver.
  • Page 88 Disassembly and Assembly Using the tweezers, remove the adhesive tape from the receiver hole completely. Be careful not to damage the near components. After you finish disassembling, refer to Receiver Assembly for how to reassemble.

  • Page 89: Speaker Remove

    Disassembly and Assembly Speaker Remove Using the tweezers, lift up on the separator groove of speaker and remove it carefully from the screen module. Be careful not to damage the speaker. Remove the adhesive tape on the bottom of the speaker. Be careful not to damage the speaker.

  • Page 90: Vibrator Motor Remove

    Disassembly and Assembly Vibrator Motor Remove Using the tweezers, 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. Remove the adhesive tape on the bottom of the vibrator motor. Be careful not to damage the vibrator motor.

  • Page 91: Button Remove

    Disassembly and Assembly Button Remove The buttons are already pre-installed in the rear bracket. Disassemble the • button if it needs to be repaired by itself of button. The Side button has a built-in fingerprint recognition sensor. • Push the Side Button module from the outside to the inside with your fingers lightly.
  • Page 92 Disassembly and Assembly Using the tweezers, grab the protruding Side button module from the inside of bracket carefully and pull out it. When grabbing the button module with the tweezers, be careful not to damage or scratch the bracket.
  • Page 93 Disassembly and Assembly Lightly push the Volume button from the outside to the inside with your fingers. Using the tweezers, grab the protruding Volume button module from the inside of bracket carefully and pull out it. When grabbing the button module with the tweezers, be careful not to damage or scratch the bracket.

  • Page 94: Screen Module

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

  • Page 95: Reassembly For Replacement

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

  • Page 96: Button Assembly

    Disassembly and Assembly Button Assembly The buttons are already pre-installed in the rear bracket. Disassemble the • button if it needs to be repaired by itself of button. The Side button has a built-in fingerprint recognition sensor. • Grab the Volume button with the tweezers and insert each ends carefully into the button slot.
  • Page 97 Disassembly and Assembly Push the Volume button from inside so that it can be completely assembled. When inserting the Volume button with the tweezer, be careful not to damage or scratch the bracket.
  • Page 98 Disassembly and Assembly Grab the Side button module with the tweezers and insert each ends into the button slot carefully. When inserting the Side button with the tweezer, be careful not to damage or scratch the bracket.
  • Page 99 Disassembly and Assembly Push the Side button module from inside so that it can be completely assembled. When inserting the Side button with the tweezer, be careful not to damage or scratch the bracket.

  • Page 100: Vibrator Motor Assembly

    Disassembly and Assembly Vibrator Motor Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Remove the clear film from new vibrator motor adhesive tape and apply it to the bottom of the vibrator motor.
  • Page 101 Disassembly and Assembly Using your fingers or the 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 102: Speaker Assembly

    Disassembly and Assembly Speaker Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Remove the clear film from new speaker adhesive tape and apply it to the bottom of the speaker.
  • Page 103 Disassembly and Assembly Using your fingers or the tweezers, assemble the speaker to the exact position of the screen module and press it with your fingers softly. Be careful not to damage the speaker and near components.

  • Page 104: Receiver Assembly

    Disassembly and Assembly Receiver Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Remove the clear film from new receiver adhesive tape and apply it to the bottom of the receiver.
  • Page 105 Disassembly and Assembly Using your fingers or the tweezers, assemble the receiver to the exact position of the screen module and press it with your fingers softly. Be careful not to damage the receiver and near components.

  • Page 106: Main Board Assembly

    Disassembly and Assembly Main Board Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Align the main board module onto the device frame. Make sure to move the flex cables out of the way to ensure that it lies flush (flat) in its place.
  • Page 107 Disassembly and Assembly Using the tweezers or your fingers, connect the coaxial cable (White) to the screen module and connect the upper connector to the main board. Be careful not to damage the cable and near components.
  • Page 108 Disassembly and Assembly Connect the two cable connectors to the main board. Be careful not to damage the main board and near components.

  • Page 109: Camera Assembly

    Disassembly and Assembly Camera Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Place the rear cameras in the each camera position one by one so that the lens faces upward, and gently insert the camera.
  • Page 110 Disassembly and Assembly Connect the rear camera connectors one by one. Place the front camera in the camera hole so that the lens faces forward, and gently insert the front camera.
  • Page 111 Disassembly and Assembly Connect the front camera connector carefully and press down softly and evenly on the camera module so that the front camera can be fully inserted. Be careful to place the camera to the correct position. • Be careful not to damage camera lens and near components. •...
  • Page 112 Disassembly and Assembly Attach the front camera adhesive foil on the front camera carefully and press down it softly with your fingers so that the adhesive foil can be attached well. Be careful not to damage camera lens and near components. •...
  • Page 113 Disassembly and Assembly Align the black protective tape on the front camera and the metal of main board, and attach it to the exact position. Be careful not to damage main board and near components. The black protective tape is only necessary and supported when repairing the front camera.
  • Page 114 Disassembly and Assembly Push down the adhesive parts of attached tape softly and evenly so that the adhesive tape can be attached completely. Be careful not to damage main board and near components. • Be careful not to damage or tear the adhesive parts of the tape while attaching. •...

  • Page 115: Charging Port Assembly

    Disassembly and Assembly Charging Port Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, insert the charging port module to the bottom metal frame of device, and press down on it in its position smoothly.
  • Page 116 Disassembly and Assembly Connect the coaxial cable connector (White) to the charging port with the tweezers and your fingers. When connecting the connector, be careful not to damage the cable. • Be careful not to damage the near components. • Connect a flex cable connector to the charging port.
  • Page 117 Disassembly and Assembly While lifting the black protective tape up carefully, connect the battery connector to the main board. Be careful not to damage the battery connector and near components. • Be careful not to damage the battery. •...
  • Page 118 Disassembly and Assembly Lift up the bracket and connect the fingerprint recognition sensor connector to the main board with finger before assembling the bracket completely. Do not forget to connect connector. • When connecting the connector, be careful not to damage the cable. •...
  • Page 119 Disassembly and Assembly Assembly the bracket to the device module completely, and push down the all edges of bracket with your fingers softly and evenly so that the bracket can be attached perfectly. As the device can be damaged by excessive force, be careful not to damage the device.
  • Page 120 Disassembly and Assembly Check the screw 24378A (17 ea) at the 17 different points on the bracket, and fasten them using a cross-head screwdriver. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.). Shake the device lightly with the back of the device facing down to remove any remaining screws.

  • Page 121: Back Cover Assembly

    Disassembly and Assembly Back Cover Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Before attaching the back cover, make absolutely sure that there are no screws, miscellaneous parts, or other foreign objects on the inside of the device (among the battery, PBA, etc.).
  • Page 122 Disassembly and Assembly Gently press around the edges to ensure a secure fit. Using your fingers, remove all the remaining release film on the device.
  • Page 123 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 124: Sim Card Tray Assembly

    Disassembly and Assembly SIM Card Tray Assembly Insert the SIM card tray back into the slot and push it in its position.
  • Page 125 Repair Assistant app after repairing and assembling your device. Refer to Calibrations for more information. Visit a Samsung Service Center when finding some issues from the calibration • results. However, you may incur additional charges if the device has a...
  • Page 126 This guide is a property of Samsung Electronics Co., Ltd. Any unauthorized use of guide can be punished under applicable international and/or domestic law. © Samsung Electronics Co., Ltd.

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