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Xiaomi Mi 8 Motherboard Cover with NFC Replacement

What you need

  1. Xiaomi Mi 8 Motherboard Cover with NFC Replacement, Rear Glass: step 1, image 1 of 1
    • Apply a heated iOpener to the rear glass to loosen the adhesive beneath the edges. Apply the iOpener for at least two minutes.

  2. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 2, image 1 of 3 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 2, image 2 of 3 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 2, image 3 of 3
    • Secure a suction handle to the lower edge of the rear glass, 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 rear glass with the suction handle to create a gap between the glass and the frame.

    • Insert an opening pick into the gap.

    • If the glass wont budge, apply more heat to further soften the adhesive. Follow the iOpener instructions to avoid overheating.

    • Slide the opening pick to the bottom right corner of the phone.

  3. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 3, image 1 of 2 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 3, image 2 of 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. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 4, image 1 of 3 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 4, image 2 of 3 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 4, image 3 of 3
    • Insert a third opening pick at the bottom left corner.

    • Start to slide the opening pick from the bottom left corner along the side of the Xiaomi Mi 8 to cut the adhesive.

    • Be aware of the fingerprint flex cable and only insert the tip of the opening pick. If insert to deep, you can cut the cable by accident.

    • As the adhesive cools down it gets harder to cut. If necessary use your iOpener to reheat it.

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

  5. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 5, image 1 of 2 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 5, image 2 of 2
    • Insert a fourth opening pick under the top left corner of the rear glass.

    • Slide the opening pick along the top to cut the adhesive.

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

  6. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 6, image 1 of 2 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 6, image 2 of 2
    • Insert a fifth opening pick at the top right corner of the phone.

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

    • Don't try to remove the rear glass all the way yet. The fingerprint flex cable is still connected to the motherboard.

  7. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 7, image 1 of 2 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 7, image 2 of 2
    • Carefully lift the rear glass and fold it to the left side to access the fingerprint flex connector.

  8. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 8, image 1 of 2 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 8, image 2 of 2
    • Use a spudger to pry up and disconnect the fingerprint flex cable.

    • Remove the rear glass.

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

    • After installing the rear glass, apply pressure for several minutes to help the adhesive form a good bond. A stack of heavy books on top of the phone works well.

  9. Xiaomi Mi 8 Motherboard Cover with NFC Replacement, Motherboard Cover with NFC: step 9, image 1 of 1
    • Remove the ten screws that secure the motherboard cover.

    • Eight Phillips #00 screws (3.4 mm length)

    • Two Phillips #00 screws (3.5 mm length)

  10. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 10, image 1 of 2 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 10, image 2 of 2
    • Slide an opening pick under the right side of the motherboard cover.

    • Twist the opening pick sideways to pry up and slightly lift the motherboard cover.

  11. Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 11, image 1 of 2 Xiaomi Mi 8 Motherboard Cover with NFC Replacement: step 11, image 2 of 2
    • Carefully remove the motherboard cover including the NFC antenna.

Conclusion

To reassemble your device, follow these instructions in reverse order.

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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Dominik Schnabelrauch

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