Samsung SM-F946B Repair Manual
Hide thumbs Also See for SM-F946B:
Table of Contents

Advertisement

Quick Links

REPAIR GUIDE
SM-F946B
English. Rev.1.0
www.samsung.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SM-F946B and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Samsung SM-F946B

  • Page 1 REPAIR GUIDE SM-F946B 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 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 44 Under-display Camera Calibration (Fold Models Only) 46 Digital Hall Sensor Calibration (Fold and Flip Models Only) Exploded View and Parts List 49 Exploded View 50 Parts List Disassembly and Assembly 52 Tools for Disassembly and Assembly 55 Fasteners (Adhesives and Materials) for Assembly 58 Disassembly for Replacement 59 SIM Card Tray Remove...
  • Page 4 Table of Contents 142 Sub PBA Assembly 144 Speaker Assembly 147 Rear Camera Assembly 148 Main Board Assembly 152 Under Screen Camera Assembly 154 Charging Port Assembly 159 Wireless Charging Module Assembly 163 Cover screen Assembly 168 Back Cover Assembly 172 Volume Button Assembly 174 SIM Card Tray Assembly...
  • Page 5: Usage Notices

    Precautions for Repair Samsung is not liable for any damage or defect determined to be caused by repair by a non-authorized carrier, self repair or non-professional repair of the device. Samsung...
  • Page 6: Esd (Electrostatic Discharge) Precautions

    Usage Notices Make sure to wear the appropriate safety equipment before carrying out repairs. • Samsung is not responsible for injuries that may occur because of not wearing the proper safety equipment. Refer to Tools for Disassembly and Assembly for a list of tools that you will need for assembling and disassembling the device.
  • Page 7: Instructional Icons

    Usage Notices Instructional Icons Warning: situations that could cause injury to yourself or others Caution: situations that could cause damage to your device or other equipment Notice: notes, usage tips, or additional information...
  • Page 8: Software Update

    You must download the desktop version of the Smart Switch app from www.samsung.com/smartswitch. This feature may not be supported on some devices or computers. • Limitations apply. Visit www.samsung.com/smartswitch for details. Samsung • takes copyright seriously. On the computer, visit www.samsung.com/smartswitch to download Smart Switch.
  • Page 9: Recovering From A Software Update Failure

    Before performing the factory data reset, remember to make backup copies of all important data stored in the device. Samsung is not responsible for the loss of data stored in the device. Disconnect your device from the computer and launch Smart Switch again on the computer.
  • Page 10: Performing A Factory Data Reset

    Before performing the factory data reset, remember to make backup copies of all important data stored in the device. Samsung is not responsible for the loss of data stored in the device.
  • Page 11 Software Update Tap Reset → Delete all. All data will be deleted when rebooting. During a factory data reset, the device may repeat rebooting and the logo may be displayed for a long time.
  • Page 12: Quality Test

    Quality Test Quality Test Using the Samsung Members App It is recommended to evaluate your device through the Samsung Members app after it has been repaired to guarantee its performance. If the test results show any abnormalities or that another malfunction has occurred because of the repair, visit a Samsung Service Center to receive further instruction.
  • Page 13: Test Items

    If the exclamation mark appears on any test • items after finishing the test, tap them to find the solutions. If the problem persists, visit a Samsung Service Center. Test Items Function: Check whether your device can read • near field communication (NFC) tags that contain information about products.
  • Page 14 ‒ FAQ: View frequently asked questions. ‒ History: View your device’s restart history. Official software Function: Check whether the software is working • normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Service information: View the Samsung Service Center location.
  • Page 15 Quality Test Mobile network Function: Check whether your mobile network is • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Settings: Configure your mobile network settings. ‒ FAQ: View frequently asked questions. Sensors Function: Check whether the sensors are working •...
  • Page 16 Quality Test Touch screen Function: Check whether the touchscreen is • working normally. Provided information • ‒ Status: View whether the feature is working normally. Buttons Function: Check whether the buttons are working • normally. How to check: • Press the buttons by following the directions on the screen.
  • Page 17 Quality Test Speaker Function: Check whether the speakers are • working normally. Provided information • ‒ Status: View whether the feature is working normally. ‒ Speaker types: View the status of each speaker. ‒ FAQ: View frequently asked questions. Vibration Function: Check whether the vibration feature is •...
  • Page 18 Quality Test Camera Function: Check whether the rear and front cameras are working normally. • How to check: • Tap the camera button to test the rear and front cameras. The picture that was taken will be displayed to check the quality of the pictures. Provided information •...
  • Page 19 Quality Test Function: Check whether the microphone is working normally. • How to check: • 1) Tap Record and say something for the recording. 2) When the recording is finished, tap Play and select a button according to the question. Provided information •...
  • Page 20 Quality Test Location accuracy Function: Check whether the location accuracy is • working normally. How to check: • Tap Start. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. The results might be more accurate when you test outside.
  • Page 21 Quality Test Bluetooth Purpose: Check whether Bluetooth can search for • other Bluetooth devices. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, the Bluetooth feature must be activated.
  • Page 22 Quality Test Face recognition Purpose: Check whether the face recognition • sensor is working. How to check: • Look at the screen. Provided information • ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, your face must be registered.
  • Page 23 Quality Test S Pen Purpose: Check whether the S Pen is recognized in all areas of the touchscreen. • How to check: • 1) Tap all the rectangles on the screen with the S Pen. The tapped or dragged rectangles will turn blue. 2) Hover the S Pen over the screen and move from A to B.
  • Page 24 How to check: • Connect a charger to your device. Provided information • ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the charger you connected. Use only Samsung-approved chargers.
  • Page 25 ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the wireless charger you put your device on. Use only Samsung-approved wireless chargers. Battery status Function: Check the battery values and analysis. • Provided information •...
  • Page 26: Calibrations

    In order to guarantee the stable and correct performance of components or sensors, it is required to conduct calibrations through the Self Repair Assistant app after repair. If the calibration results show any malfunctions, visit a Samsung Service Center for further action. Any malfunctions caused by your repair may incur additional repair charges.
  • Page 27: Using The Self Repair Assistant App

    Calibrations Depending on the model, the screen module may include batteries. So when • the screen module is replaced, the battery also has to be selected and a battery cycle reset must be performed. In the Fold models, touch screen panel calibration is performed for both the •...
  • Page 28 Calibrations Read Privacy Notice and tap Continue. If you are not signed in to your • Samsung account, a button will appear to sign in. If you select the link to read the full • Privacy Notice, you will be directed to...
  • Page 29 Calibrations Check permissions and tap Continue. Select the part that you have replaced and tap Next. The required calibrations will be • conducted automatically. If the device does not have certain • components or sensors associated with the part that has been replaced, relative calibration will be skipped automatically.
  • Page 30 Calibrations Read the on-screen instructions and tap Start. Refer to Optical Fingerprint Sensor Calibration, Resetting the Battery Cycle Count, Range Sensor Calibration, Touch Screen Panel Calibration, Speaker Calibration, Under-display Camera Calibration (Fold Models Only), and Digital Hall Sensor Calibration (Fold and Flip Models Only) for more information.
  • Page 31 Calibrations Check the results of each calibration item. Completed: Calibration was done • normally. Failed: Calibration failed. • Skipped: Calibration was skipped. • On the calibration results page, tap Close to close the app. Restart your device to finish calibrating.
  • Page 32: Optical Fingerprint Sensor Calibration

    Calibrations Optical Fingerprint Sensor Calibration Whenever the screen is replaced, the optical fingerprint sensor must be calibrated to guarantee optimized fingerprint sensor performance for devices that have it. Optical fingerprint sensor calibration is available through the Self Repair Assistant app. This feature may not be available depending on the model.
  • Page 33 Calibrations Check the part and calibration and then tap Start. Read the on-screen instructions and tap Start. The white calibration box must be prepared before you start. Put the white calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger.
  • Page 34 Calibrations Put the black calibration box on the sensor area (below the square side) and push the rubber by applying force with your finger. Tap Next and keep pushing the rubber with your finger until you see the success message. The black calibration box must be •...
  • Page 35: Resetting The Battery Cycle Count

    Calibrations Check the result of the calibration. Completed appears only when the calibration is successfully completed. If Completed does not appear, try calibrating again. Resetting the Battery Cycle Count The battery cycle count should be reset whenever your device’s battery is replaced. Launch the Self Repair Assistant app.
  • Page 36 Calibrations Check part and calibration and tap Start. Tap Start. Read the on-screen instructions and tap Scan to scan the QR code, or tap Enter manually to enter the serial number manually.
  • Page 37 Calibrations Scan the QR code or enter the serial number that appears on the battery package. The reset will begin. Check the calibration results.
  • Page 38: Range Sensor Calibration

    Calibrations Range Sensor Calibration When replacing screens, batteries, back glasses, or charging ports, range sensor calibration is required to ensure the range sensors of devices equipped with them are optimized. Range sensor calibration is available through the Self Repair Assistant app. Some content may differ from your device depending on the region, service provider, model specifications, or device’s software.
  • Page 39 Calibrations Read the on-screen instructions and tap Start. In a dark room or area, place the phone face-down, then press the Volume button. The calibration will perform automatically. A tone will play when calibration is complete. Check the calibration result.
  • Page 40: Touch Screen Panel Calibration

    Calibrations Touch Screen Panel Calibration When replacing screens, touch screen panel calibration is required to ensure accurate touch input. Touch screen panel calibration is available through the Self Repair Assistant app. In the Fold models, touch screen panel calibration is performed for both the main and cover screens.
  • Page 41 Calibrations Read the on-screen instructions and tap Start. The calibration will perform automatically and the screen will turn white during calibration. Check the calibration result.
  • Page 42: Speaker Calibration

    Calibrations Speaker Calibration When replacing speakers, the speaker must be calibrated to guarantee optimized speaker performance for devices that have it. Speaker calibration is available through the Self Repair Assistant app. Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next.
  • Page 43 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.
  • Page 44: Under-Display Camera Calibration (Fold Models Only)

    Calibrations Under-display Camera Calibration (Fold Models Only) Whenever the screen is replaced, the under-display camera must be calibrated to guarantee optimized under-display camera performance for devices that have it. Under-display camera calibration is available through the Self Repair Assistant app. This feature may not be available depending on the model.
  • Page 45 Calibrations Tap Start. The calibration will perform automatically. Check the calibration result.
  • Page 46: Digital Hall Sensor Calibration (Fold And Flip Models Only)

    The boot screen (the screen where the Samsung and carrier logos appear) will appear normally and then turn off, so it is not a hardware failure.
  • Page 47 Calibrations Launch the Self Repair Assistant app. Select the part that you have replaced and tap Next. Check part and calibration and tap Next. Tap Start.
  • Page 48 Calibrations The calibration will perform automatically. Check the calibration result.
  • Page 49: Exploded View And Parts List

    Exploded View and Parts List Exploded View and Parts List The 5G mmWave antenna modules are only supplied with United States devices. • The product’s composition may vary depending on the country, region, or • carrier. Exploded View...
  • Page 50: Parts List

    Exploded View and Parts List Parts List Number Name QBC01 Back Cover QBR01 Cover Screen Cable Connector Cover QSM01 SIM Card Tray QVO01 Volume Button QBR05 mmWave Antenna Holder QBR02 Side Button(Fingerprint Recognition Sensor) Holder QAN01 Antenna(Top) QFP01 Side Button(Fingerprint Recognition Sensor) QSP02 Speaker(Bottom) QIF01...
  • Page 51 Exploded View and Parts List Number Name QME06 5G mmWave Antenna Flex Cable(H) QME07 5G mmWave Antenna Flex Cable(V) QAN03 Antenna(Bottom) QAN04 Wireless Charging Module QAN02 5G mmWave Antenna QMO01 Vibration Motor QCR211 Screw 3513 QCR257 Screw 3443 QCR258 Screw 3442 QCR244 Screw 3404...
  • Page 52: Disassembly And Assembly

    Disassembly and Assembly Disassembly and Assembly Tools for Disassembly and Assembly When repairing devices, you absolutely must wear protective equipment for your safety. Tool & Part Code Image Description Prevents accidents during repair Safety Goggles (protective equipment) Safety Gloves (ESD Prevents accidents during repair safe, cut-resistant) (protective equipment)
  • Page 53 Disassembly and Assembly Tool & Part Code Image Description Prevents electrostatic damage ESD Safe Mat (recommended) Ejection Pin Pin for ejecting the SIM card tray Cross-head Tool for screwing in cross-head Screwdriver screws Tool for disassembling the back Opening Pick cover and other parts Tool for disassembling the Opening Tool...
  • Page 54 Disassembly and Assembly Tool & Part Code Image Description Tool for handling connectors, cables, and other parts Because it is possible • to damage parts or components when using ESD Safe Tweezers sharp tweezers, use and Round Tip tweezers made with plastic Metal Tweezers or rubber material.
  • Page 55: Fasteners (Adhesives And Materials) For Assembly

    Disassembly and Assembly Fasteners (Adhesives and Materials) for Assembly The fasteners composition may vary depending on the repair parts, country, region, or carrier. Item Quantity Image Description Back Cover Double sided adhesive tape Adhesive Tape for attaching the back cover to metal frame and rear case of the device GH81-24019A...
  • Page 56 Disassembly and Assembly Item Quantity Image Description Vibrator Motor Double sided adhesive tape Adhesive Tape for attaching the vibrator motor to screen module GH81-21133A Cover screen Double sided adhesive tape Adhesive Tape for attaching the cover screen to metal frame GH81-23972A Cover screen Inner Double sided inner right...
  • Page 57 Disassembly and Assembly Item Quantity Image Description Screw 3513 Screws for cover screen rear (11 ea) 6001-003513 Metal bracket with adhesive tape to attach the left 5G 5G mmWave mmWave antenna to metal Antenna Module frame (V) Metal Bracket The 5G mmWave antenna is only GH98-48407A available for United...
  • Page 58: 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 59: 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 60: Volume Button Remove

    Disassembly and Assembly Volume Button Remove The buttons are already included in the screen module. Replace them only if • they need to be repaired. The Side button has a built-in fingerprint recognition sensor. Thus, it cannot be • removed directly from outside. Press one end of the Volume button with your fingers lightly so that the other end protrudes.
  • Page 61 Disassembly and Assembly Grab the Volume button with your fingers and pull out it carefully from the device. After you finish disassembling, refer to Volume Button Assembly for how to reassemble.
  • Page 62: Back Cover Remove

    Disassembly and Assembly Back Cover Remove When removing the back cover, ensure that the device is fixed on a flat surface. Heat the microwaveable heating bag and apply it on the left edge of the back cover for 3 minutes. It is possible for the device or battery to be damaged by heat.
  • Page 63 Disassembly and Assembly Place the suction cup in the center of the left edge of the back cover, and lift upwards while separating it with the opening pick. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use.
  • Page 64 Disassembly and Assembly Slide your opening pick along the left edge to slice the adhesive. Leave the opening pick in the left edge side to prevent the adhesive from resealing. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm.
  • Page 65 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the bottom edge of the back cover for 3 minutes. Place the suction cup in the center of the bottom edge of the back cover, and lift upwards while separating it with the opening pick.
  • Page 66 Disassembly and Assembly Place the opening pick in the gap between the back cover and the screen module and increase the gap by pressing up/down/left/right on the bottom sides. Leave the opening pick in the bottom edge to prevent the adhesive from resealing. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm.
  • Page 67 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the right edge of the back cover for 3 minutes. Place the suction cup in the center of the right edge of the back cover.
  • Page 68 Disassembly and Assembly Pull up on the suction cup with strong, steady force to create a gap between the back cover and the frame. Slide the opening pick back and forth along the right edge to slice through the adhesive. Leave the opening pick inserted in the right edge to prevent the adhesive from resealing.
  • Page 69 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the top edge of the back cover for 3 minutes. Place the suction cup in the center of the top edge of the back cover, lift upwards, and then insert the opening pick in the gap at the top edge.
  • Page 70 Disassembly and Assembly Slide the opening pick back and forth along the top edge to slice through the adhesive. As the internal circuitry can be damaged, do not insert the opening pick more than 3 mm. Lift up the back cover slowly and remove it gently.
  • Page 71 Disassembly and Assembly Remove all adhesive tapes on the inside of the back cover ( ). Be careful not to put your fingertips or any foreign objects on the rear camera or • back cover lens ( ). Make sure to remove any residual tape ( ) attached to the inside of the back •...
  • Page 72 Disassembly and Assembly Remove the double-sided adhesive tape around the microphone hole using your fingers and tweezers. After you finish disassembling, refer to Back Cover Assembly for how to reassemble.
  • Page 73: Cover Screen Remove

    Disassembly and Assembly Cover screen Remove When removing the cover screen, ensure that the device is fixed on a flat surface. When removing the cover screen, you need to use the metal opening tool because of its strong adhesion. Heat the microwaveable heating bag and apply it on the top edge of the cover screen for 3 minutes.
  • Page 74 Disassembly and Assembly Place the suction cup in the center of the top edge of the cover screen, lift upwards, and then insert the metal opening tool in the gap at the top edge. When removing the top edge of cover screen, you need to use the metal opening tool first because of its strong adhesion.
  • Page 75 Disassembly and Assembly As the internal circuitry can be damaged, do not insert the metal opening tool • more than 1–2 mm. As the cover screen can be damaged by excessive force, be careful not to • damage the cover screen. Be careful that the suction cup does not adhere to the area where the tape or •...
  • Page 76 Disassembly and Assembly Slide the metal opening tool back and forth along the top edge to slice through the adhesive. As the internal circuitry can be damaged, do not insert the metal opening tool more than 1–2 mm. Constantly lift the top edge upwards with suction cup and insert the opening pick again in the gap at the top edge.
  • Page 77 Disassembly and Assembly Slide the opening pick back and forth along the top edge to slice through the adhesive. Leave the opening pick in the top edge to prevent the adhesive from resealing. As the internal circuitry can be damaged, do not insert the opening pick more than 1–2 mm.
  • Page 78 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the left edge of the cover screen for 3 minutes. Place the suction cup in the center of the left edge of the cover screen, and lift upwards while separating it with the opening pick.
  • Page 79 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 1–2 mm.
  • Page 80 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the bottom edge of the cover screen for 3 minutes. Place the suction cup in the center of the bottom edge of the cover screen, and lift upwards while separating it with the opening pick.
  • Page 81 Disassembly and Assembly Place the opening pick in the gap between the cover screen 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 1–2 mm.
  • Page 82 Disassembly and Assembly Heat the microwaveable heating bag additionally and apply it on the right edge of the cover screen for 3 minutes. Place the suction cup in the center of the right edge of the cover screen.
  • Page 83 Disassembly and Assembly Pull up on the suction cup with strong, steady force to create a gap between the cover screen and the screen module. Slide the opening pick back and forth along the right edge to slice through the adhesive. As the cover screen can be damaged by excessive force, be careful not to •...
  • Page 84 Disassembly and Assembly Lift up the cover screen slowly and remove it gently. Disassemble the cover screen’s FPCB cable connector cover with the tweezers before removing the cover screen. Be careful not to damage the FPCB cable. The cover should be used again when reassembling, be careful not to lose it. Disassemble the FPCB cable connector of cover screen and separate the cover screen completely.
  • Page 85 Disassembly and Assembly Remove all adhesive tapes on both the inside of the cover screen and the device ( ). Be careful not to put your fingertips or any foreign objects on the camera and • camera lens ( ). Make sure to remove any residual tape ( ) attached to the inside of the cover •...
  • Page 86: Wireless Charging Module Remove

    Disassembly and Assembly Wireless Charging Module Remove Using the opening pick, separate the MFC connector. Be careful not to damage the near components.
  • Page 87 Disassembly and Assembly Using opening pick or disassembly stick, carefully put it on the bottom of the large adhesive tapes on the top of wireless charging module and separate the adhesive tape carefully. Be careful not to damage or tear the adhesive parts of the wireless charging •...
  • Page 88 Disassembly and Assembly While holding the separated adhesive part of wireless charging module with your fingers, carefully separate the adhesive tapes located on the both sides as well. Be careful not to damage or tear the adhesive parts of the wireless charging •...
  • Page 89 Disassembly and Assembly Using your fingers or tweezers, pull the wireless charging module out carefully from the device and remove it completely. Be careful not to tear any connected components near the wireless charging • module. Ensure that the wireless charging module is unfolded to prevent damaging the •...
  • Page 90 Disassembly and Assembly Check and remove the screws at the 7 different points. Be careful not to damage the camera frame and the main board. 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. Using the opening pick, separate the UWB connector and FRC FPCB cable connector.
  • Page 91 Disassembly and Assembly Using the tweezers, lift up on the upper right of the top antenna and remove it from the device carefully. Be careful not to damage the near components. After you finish disassembling, refer to Wireless Charging Module Assembly how to reassemble.
  • Page 92: Charging Port Remove

    Disassembly and Assembly Charging Port Remove Disconnect the battery connector from the main board with the opening pick. Make sure to first disconnect the battery connector for your own safety. • Be careful not to damage the battery or the near components. •...
  • Page 93 Disassembly and Assembly Check the screws at the 3 different points on the bottom antenna, and remove them. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 94 Disassembly and Assembly Using the tweezers, hold and lift up the upper right corner of the bottom antenna where the arrow in the bottom antenna is marked, and then carefully remove it from the device. Be careful not to damage the near components.
  • Page 95 Disassembly and Assembly Check the screws at the 2 different points on the charging port, and remove them. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the device during assembly.
  • Page 96 Disassembly and Assembly Using the tweezers or disassembly stick, lift up on the separator groove to the upper right of the charging port module, and remove it. Be careful not to damage the near components. • Be careful not to damage the bottom C-clip. •...
  • Page 97: Under Screen Camera Remove

    Disassembly and Assembly Under Screen Camera Remove Using the opening pick, disconnect the camera connector. Be careful not to damage the near components and the main board.
  • Page 98 Disassembly and Assembly Remove the camera carefully by tweezers or your fingers, and leave the camera lens facing up. Be careful not to damage the camera lens and near components. After you finish disassembling, refer to Under Screen Camera Assembly for how to reassemble.
  • Page 99: 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. Using the opening pick, disconnect the 6 connectors from main board and remove the 1 FPCB cable.
  • Page 100 Disassembly and Assembly For the United States 5G devices, disconnect the 2 additional 5G mmWave antenna connectors. Be careful not to damage the battery connector and near components. • Be careful to not damage the main board. • The 5G mmWave antenna module and its connectors are only available in •...
  • Page 101 Disassembly and Assembly Check the black screws at the 2 different points on the main board and 1 screw on the camera frame and remove them using a cross-head screwdriver. When removing the screws, be careful not to damage the camera lens and the main board.
  • Page 102 Disassembly and Assembly Using the tweezers, lift up on the separator groove to the upper left corner of the main board and remove it. Be careful not to damage the main board and near components. After you finish disassembling, refer to Main Board Assembly for how to reassemble.
  • Page 103: Rear Camera Remove

    Disassembly and Assembly Rear Camera Remove You only need to disassemble if you repair the camera. Turn the separated main board upside down. Using the opening pick, carefully separate the camera connectors one by one. Be careful not to drop the camera while disconnecting the connector. •...
  • Page 104 Disassembly and Assembly Remove the camera carefully by fingers, and leave the camera lens facing up. Be careful not to damage the camera lens and near components. After you finish disassembling, refer to Rear Camera Assembly for how to reassemble.
  • Page 105: Vibrator Motor Remove

    Disassembly and Assembly Vibrator Motor Remove Using the tweezers, lift up on the separator groove to the left of the vibrator motor, and then carefully remove it from the device. Be careful not to damage the near components. After you finish disassembling, refer to Vibrator Motor Assembly for how to reassemble.
  • Page 106: Speaker Remove

    Disassembly and Assembly Speaker Remove Refer to Cover screen Remove for how to disassemble the cover screen. Check 7 screws on the top speaker module and remove them using a cross-head screwdriver. Be careful not to damage the top speaker module 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 107 Disassembly and Assembly Using the tweezers, lift up on the separator groove to the lower right corner where the arrow in the top speaker module is displayed, and then carefully remove it from the device. Be careful not to damage the near components.
  • Page 108 Disassembly and Assembly Disconnect the battery connector with the opening pick. Make sure to first disconnect the battery connector for your own safety. • Be careful to not damage the battery and near components. •...
  • Page 109 Disassembly and Assembly Check 4 screws on the bottom speaker module and remove them using a cross-head screwdriver. Be careful not to damage the bottom speaker module 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 110 Disassembly and Assembly Using the tweezers, lift up on the separator groove to the lower right corner where the arrow in the bottom speaker module is displayed, and then carefully remove it from the device. Be careful not to damage the near components. After you finish disassembling, refer to Speaker Assembly for how to reassemble.
  • Page 111: Sub Pba Remove

    Disassembly and Assembly Sub PBA Remove Using the opening pick, disconnect the 4 connectors from Sub PBA. Be careful not to damage the near components. • Be careful not to damage the Sub PBA. • Disconnect the 1 FPCB cable from the device using the opening pick or disassembly stick.
  • Page 112 Disassembly and Assembly Using the opening pick, lift up on the separator groove to the right part of Sub PBA, and then carefully remove it from the device. Be careful not to damage the near components. After you finish disassembling, refer to Sub PBA Assembly for how to reassemble.
  • Page 113: Cover Camera Remove

    Disassembly and Assembly Cover Camera Remove You only need to disassemble if you repair the camera. Turn the separated Sub PBA upside down, and then separate the camera connector. Be careful not to drop the camera while disconnecting the connector. •...
  • Page 114 Disassembly and Assembly Remove the camera carefully by your fingers, and leave the camera lens facing up. Be careful not to damage the camera and near components. After you finish disassembling, refer to Cover Camera Assembly for how to reassemble.
  • Page 115: 5G Mmwave Antenna Remove

    Disassembly and Assembly 5G mmWave Antenna Remove 5G mmWave antenna is only available for United States devices. Insert the pointed end of your tweezers in the gap between the edge of the right 5G mmWave antenna and the frame. Pull the 5G mmWave antenna out of its recess until you can grab it with the tweezers or your fingers.
  • Page 116 Disassembly and Assembly Remove the right 5G mmWave antenna. Remove the existing adhesive tape from bottom of the right 5G mmWave antenna module with the tweezers or your fingers. Be careful not to damage the antenna.
  • Page 117 Disassembly and Assembly Check the screw on the left 5G mmWave antenna module 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 118 Disassembly and Assembly Insert the pointed end of your tweezers in the gap between the lower screw mount of the left 5G mmWave antenna bracket and the frame. Pry the antenna out of its recess until you can grab it with the tweezers or your fingers.
  • Page 119 Disassembly and Assembly Remove the left 5G mmWave antenna module.
  • Page 120 Disassembly and Assembly Separate the left 5G mmWave antenna and connector from the metal bracket. If the 5G mmWave antenna feels stuck, apply a microwaveable heating bag for • 2 minutes to soften the adhesive. When reheating, it should be heated no longer than 30 seconds.
  • Page 121: Side Button (Fingerprint Recognition Sensor) Remove

    Disassembly and Assembly Side Button (Fingerprint Recognition Sensor) Remove The buttons are already included in the screen module. Replace them only if it • needs to be repaired. The Side button has a built-in fingerprint recognition sensor. Thus, it cannot be •...
  • Page 122 Disassembly and Assembly Using the tweezers, remove the metal bracket from the screen module. Be careful not to damage the near components. Using the tweezers, remove the plastic bracket from the screen module. The Side button module is removed together with the bracket. After you finish disassembling, refer to Side Button(Fingerprint Recognition Sensor) Assembly...
  • Page 123: 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 124: 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 • cover camera. Wear an anti-static wrist strap and connect it to the grounded ESD safe mat. •...
  • Page 125: Preparing A New Screen Module

    Disassembly and Assembly Preparing a New Screen Module Using your fingers, hold the top handle of the protection film attached to the left of new screen module and remove it. Be careful not to damage the near components.
  • Page 126 Disassembly and Assembly Using your fingers, hold the top handle of the inner protection film attached to the left of new screen module and remove it. Be careful not to damage the near components.
  • Page 127 Disassembly and Assembly Using the tweezers, remove the camera protection film attached to the new screen module. Be careful not to damage the camera and near components.
  • Page 128 Disassembly and Assembly Using the tweezers, hold the handle of the metal protection film attached to the left of new screen module and remove it carefully. Be careful not to damage the battery and battery connector. • Be careful not to damage the near components. •...
  • Page 129 Disassembly and Assembly Using your fingers, hold the bottom handle of the protection film attached to the right of new screen module and remove it. Be careful not to damage the near components and battery.
  • Page 130: Side Button(Fingerprint Recognition Sensor) Assembly

    Disassembly and Assembly Side Button(Fingerprint Recognition Sensor) Assembly Leaving screws inside the device may damage internal components, such as the battery. During assembly, be extra careful not to leave any unassembled screws inside the device. The buttons are already included in the screen module. Replace them only if it needs to be repaired.
  • Page 131 Disassembly and Assembly Remove the release film of new plastic bracket. Combine the plastic bracket with the installed Side button module carefully and assemble to the screen module. Be careful not to put the bracket in the wrong direction.
  • Page 132 Disassembly and Assembly Using the tweezers, align the new water-resistant tape precisely at the bracket and attach it. Using your fingers, gently press down softly and remove the release film of the tape. Be careful not to damage the near components.
  • Page 133 Disassembly and Assembly Using your tweezers, assemble the metal bracket on the screen module.
  • Page 134 Disassembly and Assembly Check the screw 3443 (2 ea) at the 2 different points of the metal bracket and fasten them using a cross-head screwdriver. Be careful not to damage the battery and near components.
  • Page 135: Vibrator Motor Assembly

    Disassembly and Assembly Vibrator Motor Assembly You need to replace the adhesive tape on the vibrator motor with a new one before reinstalling the vibrator motor. Using the tweezers, remove the existing adhesive tape on the bottom of vibrator motor. Be careful not to damage the vibrator motor.
  • Page 136 Disassembly and Assembly Remove the paper film from the new adhesive tape and apply the new adhesive tape to the bottom of the vibrator motor. Press lightly with your fingers so that the tape is attached well. Remove the blue film from the adhesive tape. Be careful not to damage the vibrator motor.
  • Page 137: 5G Mmwave Antenna Assembly

    Disassembly and Assembly 5G mmWave Antenna 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. The 5G mmWave antenna is only available for United States devices. You need to replace the metal bracket with a new one before reinstalling the left 5G mmWave antenna module.
  • Page 138 Disassembly and Assembly Place the connector in the new metal bracket’s recess with the connector positioned underneath the longer screw mount. Assemble the antenna with connector. When assembling the 5G mmWave antenna module, be careful to not bend it. Remove the blue release film of new adhesive tape for the 5G mmWave antenna module and attach it on the outside of the new metal bracket.
  • Page 139 Disassembly and Assembly Insert the 5G mmWave antenna module in a left slot using the tweezers and your fingers. Press down lightly with your fingers so that the antenna module is fully fitted. When assembling the 5G mmWave antenna module, be careful to not bend it. •...
  • Page 140 Disassembly and Assembly Before reinstalling the right 5G mmWave antenna, you need to replace the adhesive tape on the 5G mmWave antenna. Remove the release film from your new adhesive tape and apply it to the bottom of the antenna using the tweezers. Using the tweezers, insert the 5G mmWave antenna module in a right slot and press down lightly with your fingers so that the antenna module is fully fitted.
  • Page 141: Cover Camera Assembly

    Disassembly and Assembly Cover 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. Turn the separated Sub PBA upside down. Connect the camera connectors to the Sub PBA with your fingers.
  • Page 142: Sub Pba Assembly

    Disassembly and Assembly Sub PBA 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 or your fingers, assemble the Sub PBA with cover camera module. Press down on it in its position until you hear a locking sound.
  • Page 143 Disassembly and Assembly Connect the 1 FPCB cable on the device. Connect the 4 connectors on the Sub PBA. Be careful not to damage the near components and Sub PBA.
  • Page 144: 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. Using the tweezers or your fingers, assemble the bottom speaker module. Press down on it in its position until you hear a locking sound.
  • Page 145 Disassembly and Assembly Check the screw 3513 (4 ea) at the 4 different points of the bottom speaker module and fasten the 4 screws using a cross-head screwdriver. Connect the battery connector. Be careful not to damage the battery connector and near components.
  • Page 146 Disassembly and Assembly Using the tweezers or your fingers, assemble the top speaker module. Press down on it in its position until you hear a locking sound. Be careful not to damage the near components. Check the screw 3513 (7 ea) at the 7 different points of the top speaker module and fasten the 7 screws using a cross-head screwdriver.
  • Page 147: Rear Camera Assembly

    Disassembly and Assembly Rear 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. Turn the separated main board upside down. Connect the camera connectors to the main board.
  • Page 148: 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. After attaching the lower part of the main board diagonally on the screen module, assemble the upper part.
  • Page 149 Disassembly and Assembly Check the black screw 3404 (2 ea) at the 2 different points and fasten them to the main board. Check the screw 3442 (1 ea) at the camera frame and fasten the screw using the cross-head screwdriver.
  • Page 150 Disassembly and Assembly Using the tweezers or your fingers, connect the 1 FPCB cable to the main board. Be careful not to damage the main board and near components. Connect the 5 connectors on the main board. Be careful to not damage the main board and near components.
  • Page 151 Disassembly and Assembly For the United States 5G devices, using the tweezers and your fingers, connect 2 additional 5G mmWave antenna connectors. Be careful not to damage the battery connector and near components. The 5G mmWave antenna module and its connectors are only available in •...
  • Page 152: Under Screen Camera Assembly

    Disassembly and Assembly Under Screen 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 camera in the camera hole so that the lens faces forward, and gently insert the camera.
  • Page 153 Disassembly and Assembly Connect the camera connector on the main board. Be careful to place the camera to the correct position. • Be careful not to damage camera lens and the main board. • Be careful not to damage and scratch the camera module. •...
  • Page 154: 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.
  • Page 155 Disassembly and Assembly Place the FPCB cable on the exact position and connect the 2 cable connectors on the charging port. Do not connect the top connector of the cable yet. Be careful not to damage the near components. Check the screw 3442 (2 ea) at the 2 different points on the charging port, and fasten the 2 screws.
  • Page 156 Disassembly and Assembly Using the tweezers, insert the bottom antenna to the device. Press down on it in its position smoothly. Be careful not to damage the near components.
  • Page 157 Disassembly and Assembly Check the screw 3442 (3 ea) at the 3 different points on the bottom antenna, and fasten the 3 screws. Be careful not to damage the bottom antenna. Check carefully with your fingers to see if there are any screws or other foreign substances inside the device (battery, PBA, cable, etc.).
  • Page 158 Disassembly and Assembly Connect the battery connector to the main board. Be careful not to damage the battery connector and near components.
  • Page 159: Wireless Charging Module Assembly

    Disassembly and Assembly Wireless Charging Module Assembly Leaving screws inside the device may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the device. Using the tweezers, assemble the top antenna, and press down on it in its position with your fingers until you hear a locking sound.
  • Page 160 Disassembly and Assembly Connect the UWB connector and FRC FPCB cable connector. Be careful not to damage the near components. Check the screw 3442 (7 ea) at the 7 different points on the top antenna, and fasten the 7 screws. Be careful not to damage the main board and the near components.
  • Page 161 Disassembly and Assembly Hold the wireless charging module with your fingers, and attach the wide adhesive tape part at the top, and press it lightly with your fingers. Attach the other adhesive tape parts of the wireless charging module one by one. Be careful not to damage or tear the adhesive parts of the wireless charging module.
  • Page 162 Disassembly and Assembly Connect the MFC connector. Be careful not to damage the near components.
  • Page 163: Cover Screen Assembly

    Disassembly and Assembly Cover screen 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 cover screen, make absolutely sure that there are no screws, miscellaneous parts, or other foreign objects on the inside of the device (among the battery, PBA, etc.).
  • Page 164 Disassembly and Assembly Remove the transparent film of the new cover screen inner right tape. Align the tape precisely on the screw location and attach it. Using your fingers and disassembly stick, gently press around the right edge several times to ensure a secure fit. On the device where inner right and left tapes are attached, align the new cover screen adhesive tape precisely on the screw location and attach it.
  • Page 165 Disassembly and Assembly Using the tweezers or your fingers, remove all release films one by one.
  • Page 166 Disassembly and Assembly Assemble the cover screen’s FPCB cable connector first and press down with your fingers. When assembling the cover screen’s FPCB cable connector, be careful not to damage the FPCB cable. Assemble the cover screen’s FPCB cable connector cover with the tweezers or your fingers.
  • Page 167 Disassembly and Assembly Attach the cover screen and press down the edges of the cover screen evenly in order to attach it perfectly. Check the gap between cover screen and the metal frame. If you feel the some gap, remove the cover screen and attach it again. Some foreign materials can be inside the device.
  • Page 168: 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 169 Disassembly and Assembly Remove the bottom release film underneath the black adhesive of the new 3rd microphone hole tape. Using tweezers or your fingers, attach the 3rd microphone hole tape on the back cover by using the tape’s L-shaped cutout to guide you during the installation. Gently press down on the adhesive tape.
  • Page 170 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 171 Disassembly and Assembly Press down the edges of the back cover evenly in order to attach the back cover perfectly.
  • Page 172: Volume Button Assembly

    Disassembly and Assembly Volume Button Assembly The buttons are already included in the screen module. Replace them only if they need to be repaired. Remove the release film of new Volume button. Using your fingers, grab the Volume button and insert it on the slot carefully. Be careful not to damage the buttons and device.
  • Page 173 Disassembly and Assembly Press down the Volume button softly and evenly so that the button can be completely assembled. Press the button to make sure it clicks. It should have the same sound and feel as before disassembly.
  • Page 174: 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 175 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 176 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.

Table of Contents