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Huawei Mate 20 Pro Fingerprint Sensor Replacement

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  1. Huawei Mate 20 Pro Fingerprint Sensor Replacement, Rear Glass: 1 단계, 이미지 1/1
    • Before you begin, switch off your phone.

    • Apply a heated iOpener to the back of the phone to loosen the adhesive beneath the back cover. Apply the iOpener for at least two minutes.

  2. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 2 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 2 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 2 단계, 이미지 3/3
    • Secure a suction handle to the bottom of the back cover, as close to the edge as possible.

    • If the phone's rear glass is cracked, the suction handle may not stick. Try lifting it with strong tape, or superglue the suction handle in place and allow it to cure so you can proceed.

    • Lift the back cover with the suction handle to create a small gap between the cover and the frame.

    • Insert an opening pick into the gap.

    • If you have trouble, apply more heat to further soften the adhesive. Follow the iOpener instructions to avoid overheating.

    • Slide the opening pick to the bottom right corner.

  3. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 3 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 3 단계, 이미지 2/2
    • Insert a second opening pick and slide it to the bottom left corner to cut the adhesive.

    • Leave the opening picks in place to prevent the adhesive from resealing.

  4. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 4 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 4 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 4 단계, 이미지 3/3
    • Insert a third opening pick at the bottom left corner.

    • Slide the tip of the opening pick from the bottom left corner along the side of the phone to cut the adhesive.

    • Leave the opening pick in its place at the top left corner to prevent the adhesive from resealing.

  5. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 5 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 5 단계, 이미지 2/2
    • If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener to reheat it.

    • Insert a fourth opening pick under the top left corner of the back cover.

    • Slide the opening pick along the top edge of the phone to cut the adhesive.

    • Leave the opening pick in the top right corner to prevent the adhesive from resealing.

  6. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 6 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 6 단계, 이미지 2/2
    • Insert a fifth opening pick at the top right corner of the phone.

    • Slide the opening pick along the right side to cut the remaining adhesive.

  7. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 7 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 7 단계, 이미지 2/2
    • Lift and remove the back cover.

    • Before installing fresh adhesive and reassembling, remove any remaining adhesive from the phone, and clean the glued areas with isopropyl alcohol and a lint-free cloth.

    • During reassembly, this is a good point to power on your phone and test all functions before sealing it up. Be sure to power your phone back down completely before you continue working.

    • Secure the new back cover with pre-cut adhesive or double-sided adhesive tape. After installing the rear glass, apply pressure for several minutes to help the adhesive form a good bond, such as by placing it under a stack of heavy books.

  8. Huawei Mate 20 Pro Fingerprint Sensor Replacement, Motherboard Cover with NFC & Charging Coil: 8 단계, 이미지 1/1
    • Remove the eight Phillips #00 screws (4.3 mm length).

  9. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 9 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 9 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 9 단계, 이미지 3/3
    • Slide an opening pick under the black adhesive at the bottom left of the charging coil.

    • Carefully slide the opening from the left to the right side to loosen the adhesive.

  10. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 10 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 10 단계, 이미지 2/2
    • Insert an opening pick under the bottom left corner of the motherboard cover.

    • Use the opening pick to pry up the motherboard cover.

    • Do not try to remove the motherboard cover all the way yet. The flex cable of the flash assembly is still connected to the motherboard.

  11. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 11 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 11 단계, 이미지 2/2
    • Carefully fold the motherboard cover in the direction of the battery.

    • Take special care to avoid ripping the flash assembly flex cable as it is still connected to the motherboard.

  12. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 12 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 12 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 12 단계, 이미지 3/3
    • Use a spudger to pry up and disconnect the flash assembly flex cable.

    • When you disconnect connectors like these, be careful not to dislodge the small surface-mounted components surrounding the socket.

    • Remove the motherboard cover including the NFC and charging coil.

  13. Huawei Mate 20 Pro Fingerprint Sensor Replacement, Battery Disconnect: 13 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement, Battery Disconnect: 13 단계, 이미지 2/2
    • Use a spudger to pry up and disconnect the battery connector.

  14. Huawei Mate 20 Pro Fingerprint Sensor Replacement, Daughterboard Cover: 14 단계, 이미지 1/1
    • Remove the three Phillips #00 screws (4.3 mm length).

    • If you want to remove or replace the loudspeaker, daughterboard, battery, or the OLED screen, remove the four Phillips #00 screws (4.3 mm length) which hold down the loudspeaker assembly.

  15. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 15 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 15 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 15 단계, 이미지 3/3
    • Slide an opening pick under the top right corner of the daughterboard cover.

    • Use the opening pick to pry up the daughterboard cover. Remove the daughterboard cover with tweezers.

  16. Huawei Mate 20 Pro Fingerprint Sensor Replacement, Loudspeaker & Daughterboard: 16 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement, Loudspeaker & Daughterboard: 16 단계, 이미지 2/2
    • Use a Spudger to pry up and disconnect the interconnect flex cable from the daughterboard.

  17. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 17 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 17 단계, 이미지 2/2
    • Use a Spudger to pry up and disconnect the interconnect flex cable from the motherboard.

    • Remove the interconnect flex cable.

  18. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 18 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 18 단계, 이미지 2/2
    • Use a pair of tweezers to pry up and disconnect the connector of the black coax cable from the daughterboard.

    • Unroute the black coax cable from the metal clip on the daughterboard and fold it to the side.

  19. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 19 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 19 단계, 이미지 2/2
    • Slide an opening underneath the top left corner of the loudspeaker cover.

    • Use the opening pick to pry up the loudspeaker and daughterboard assembly.

  20. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 20 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 20 단계, 이미지 2/2
    • Remove the loudspeaker and daughterboard assembly.

  21. Huawei Mate 20 Pro Fingerprint Sensor Replacement, Charging Port with Main Flex Cable: 21 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement, Charging Port with Main Flex Cable: 21 단계, 이미지 2/2
    • Use a spudger to pry up and disconnect the main flex cable from the motherboard.

  22. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 22 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 22 단계, 이미지 2/2
    • Use a spudger to pry up and disconnect the main flex cable from the left daughterboard.

  23. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 23 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 23 단계, 이미지 2/2
    • Slide the flat end of a spudger under the right side of the main flex cable next to the charging port.

    • Use the spudger to pry up the main flex cable and to lever the charging port out of its recess.

  24. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 24 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 24 단계, 이미지 2/2
    • Remove the main flex cable including the charging port by lifting it upwards and then pulling it in the direction of the motherboard.

  25. Huawei Mate 20 Pro Fingerprint Sensor Replacement, Battery: 25 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement, Battery: 25 단계, 이미지 2/2
    • Peel the orange adhesive strip labeled with a 1 off the battery. The orange adhesive tape will rip along a small perforated line.

  26. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 26 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 26 단계, 이미지 2/2
    • Peel the orange adhesive strip labeled with a 2 off the battery. The orange adhesive tape will rip along a small perforated line.

  27. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 27 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 27 단계, 이미지 2/2
    • Peel the orange adhesive strip labeled with a 3 off the battery.

    • Pull up the orange adhesive strip to lift the battery out of its recess.

    • Although these new adhesive tabs are supposed to make the battery removal easier, these may require some force. In case you're having trouble removing the battery, you can apply a heated iOpener to the center of the display, to loosen the adhesive underneath.

  28. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 28 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 28 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 28 단계, 이미지 3/3
    • Swing the battery up to an upright position.

    • Peel the battery off the remaining adhesive.

    • Remove the battery.

    • During re-assembly, temporarily re-connect the battery to the motherboard to help align it correctly. Disconnect the battery after it is seated.

  29. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 29 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 29 단계, 이미지 2/2
    • Peel the battery's adhesive sticker off the midframe.

    • This step is mandatory if you are replacing the screen. However it is highly recommended to use a fresh adhesive sticker as well, when installing a new battery.

    • Secure the new battery with pre-cut adhesive or double-sided adhesive tape. In order to position it correctly, apply the new adhesive into the phone at the places where the old adhesive was located, not directly onto the battery. Press the new battery firmly into place.

  30. Huawei Mate 20 Pro Fingerprint Sensor Replacement, OLED Screen & Digitizer: 30 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement, OLED Screen & Digitizer: 30 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement, OLED Screen & Digitizer: 30 단계, 이미지 3/3
    • Use a spudger to pry up and disconnect the display flex cable from the motherboard.

    • The display flex cable holds onto the midframe because of mild adhesive underneath. Use a pair of tweezers to peel the flex cable off the midframe.

  31. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 31 단계, 이미지 1/1
    • Apply a heated iOpener to the screen and all edges of the phone for at least two minutes, to loosen the adhesive.

  32. Huawei Mate 20 Pro Fingerprint Sensor Replacement, OLED Screen & Digitizer: 32 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement, OLED Screen & Digitizer: 32 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement, OLED Screen & Digitizer: 32 단계, 이미지 3/3
    • Once the screen is warm to the touch, apply a suction cup to the bottom edge of the phone.

    • Pull the suction cup upwards and insert an opening pick in the gap between the display glass and the midframe. Start to cut the adhesive by sliding the opening pick to the bottom right corner.

  33. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 33 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 33 단계, 이미지 2/2
    • Insert a second opening pick and slide it to the bottom left corner of the phone to cut the adhesive.

    • Leave the picks in their place to prevent the adhesive from resealing.

  34. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 34 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 34 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 34 단계, 이미지 3/3
    • Insert a third opening pick under the bottom left corner of the phone.

    • Slide the opening pick up to the top left corner to cut the adhesive. Leave it there to prevent the adhesive from resealing.

    • If cutting becomes too difficult, reheat and reapply the iOpener.

  35. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 35 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 35 단계, 이미지 2/2
    • Insert a fourth opening pick at the top left corner.

    • When nearing the front facing camera, only work with the tip of the opening pick to avoid damaging or smearing the camera.

    • Slide the opening pick along the top edge of the phone to cut the adhesive. Leave the pick in the top right corner of the screen to prevent the adhesive from resealing.

  36. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 36 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 36 단계, 이미지 2/2
    • Insert a fifth opening pick and slide it along the right edge of the phone to cut the remaining adhesive.

    • Try not to remove the display all the way yet, the display cable is still threaded through the frame and possible adhered on the inner side of the midframe.

  37. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 37 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 37 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 37 단계, 이미지 3/3
    • Thread the display flex cable through the gap in the midframe and remove the display.

    • Not all replacement screens come with a new preinstalled fingerprint sensor. In case you need to transfer your old fingerprint sensor to your replacement screen you can follow this guide, to remove it.

    • Before installing a new display, remove all traces of the old adhesive from the frame, and clean the glued areas with isopropyl alcohol (>90%) and a lint-free cloth.

    • The best way to secure the new screen is with a sheet of custom-cut double-sided tape. Apply the tape to the back of the screen, then carefully feed the display cable through the frame. Align the screen and press it into place.

  38. Huawei Mate 20 Pro Fingerprint Sensor Replacement, Fingerprint Sensor: 38 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement, Fingerprint Sensor: 38 단계, 이미지 2/2
    • Use the pointed end of a spudger to open the ZIF connector of the fingerprint sensor.

  39. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 39 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 39 단계, 이미지 2/2
    • Use a pair of tweezers to carefully pull the flex cable of the fingerprint sensor out of the ZIF connector.

  40. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 40 단계, 이미지 1/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 40 단계, 이미지 2/3 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 40 단계, 이미지 3/3
    • The fingerprint sensor flex cable is glued onto the rear side of the screen with mild adhesive. In case you're having trouble with removing the flex cable, you can apply an iOpener to the front of the display to loosen the adhesive underneath.

    • Slide an opening under the upper end of the fingerprint flex cable.

    • Carefully work your way into the direction of the ZIF connector and use the opening pick to separate the fingerprint flex cable from the screen.

  41. Huawei Mate 20 Pro Fingerprint Sensor Replacement: 41 단계, 이미지 1/2 Huawei Mate 20 Pro Fingerprint Sensor Replacement: 41 단계, 이미지 2/2
    • Use a pair of tweezers to remove the fingerprint sensor.

    • Before reassembling your phone, it's important to remove all traces of old adhesive from the frame and any components you're going to reuse, and clean the glued areas with isopropyl alcohol (>90%) and a lint-free cloth.

결론

If possible, turn on your device and test your repair before installing new adhesive and resealing.

To reassemble your device, follow these instructions in reverse order. Apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%).

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Check out our Answers community for troubleshooting help.

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