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Huawei Mate 20 Loudspeaker Replacement

はじめに

Use this guide to remove or replace the loudspeaker in the Huawei Mate 20.

Opening the Huawei Mate 20 will damage the waterproof sealing on the device. If you do not replace the adhesive seals, your phone will function normally but will lose its splash-protection.

You’ll need replacement adhesive to reattach components when reassembling the device.

必要な工具と部品

  1. Huawei Mate 20 Loudspeaker Replacement, Rear Glass: 手順 1、 1の画像 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.

    編集

  2. Huawei Mate 20 Loudspeaker Replacement: 手順 2、 3の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 2、 3の画像 2 Huawei Mate 20 Loudspeaker Replacement: 手順 2、 3の画像 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.

    編集

  3. Huawei Mate 20 Loudspeaker Replacement: 手順 3、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 3、 2の画像 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.

    編集

  4. Huawei Mate 20 Loudspeaker Replacement: 手順 4、 3の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 4、 3の画像 2 Huawei Mate 20 Loudspeaker Replacement: 手順 4、 3の画像 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.

    編集

  5. Huawei Mate 20 Loudspeaker Replacement: 手順 5、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 5、 2の画像 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.

    編集

  6. Huawei Mate 20 Loudspeaker Replacement: 手順 6、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 6、 2の画像 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.

    • Try not to remove the rear glass all the way yet, the fingerprint cable is still connected to the motherboard and rips easily if not handled with care.

    編集

  7. Huawei Mate 20 Loudspeaker Replacement: 手順 7、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 7、 2の画像 2

    • Carefully fold the back cover to the right side of the phone assembly. Avoid tension to the fingerprint cable during this procedure.

    編集

  9. Huawei Mate 20 Loudspeaker Replacement: 手順 8、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 8、 2の画像 2

    • Slide an opening pick under the bottom end of the black protective foil that covers the battery. Use the opening pick to loosen the adhesive that attaches the foil to the loudspeaker.

    編集

  10. Huawei Mate 20 Loudspeaker Replacement: 手順 9、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 9、 2の画像 2

    • Use an opening pick to carefully pry the flash assembly off the motherboard cover and fold it into the direction of the battery. Avoid damaging the flash assembly flex cable.

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  11. Huawei Mate 20 Loudspeaker Replacement: 手順 10、 1の画像 1

    • Remove the eleven Phillips #00 screws (2.8 mm length).

    編集

  12. Huawei Mate 20 Loudspeaker Replacement: 手順 11、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 11、 2の画像 2

    • Use the pointed end of a spudger to unhinge the motherboard cover from the small hook above the left side of the battery.

    編集

  13. Huawei Mate 20 Loudspeaker Replacement: 手順 12、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 12、 2の画像 2

    • Slide an opening pick underneath the left side of the motherboard cover.

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

    編集

  14. Huawei Mate 20 Loudspeaker Replacement: 手順 13、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 13、 2の画像 2

    • Remove the motherboard cover including the NFC and the black protective foil. Avoid damaging the flash assembly during this procedure.

    編集

  15. Huawei Mate 20 Loudspeaker Replacement: 手順 14、 3の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 14、 3の画像 2 Huawei Mate 20 Loudspeaker Replacement: 手順 14、 3の画像 3

    • Use a spudger to pry up and disconnect the fingerprint flex cable.

    • Before installing fresh adhesive and reassembling, remove any remaining adhesive from the phone, and clean the glued areas with isopropyl alcohol (>90%) 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.

    編集

  16. Huawei Mate 20 Loudspeaker Replacement, Battery Disconnect: 手順 15、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement, Battery Disconnect: 手順 15、 2の画像 2

    • Use a spudger to pry up and disconnect the battery connector.

    編集

  17. Huawei Mate 20 Loudspeaker Replacement, Loudspeaker: 手順 16、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement, Loudspeaker: 手順 16、 2の画像 2
    この手順で使用する道具：
    Tweezers
    $4.99
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    • Use a pair of tweezers to pry up and disconnect the antenna cable.

    編集

  18. Huawei Mate 20 Loudspeaker Replacement, Loudspeaker: 手順 17、 1の画像 1

    • Remove the four Phillips #00 screws (3.3 mm length).

    • Remove the two Phillips #00 screws (3.9 mm length).

    編集

  19. Huawei Mate 20 Loudspeaker Replacement: 手順 18、 3の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 18、 3の画像 2 Huawei Mate 20 Loudspeaker Replacement: 手順 18、 3の画像 3

    • Slide an opening pick under the loudspeaker cover where the main flex cable is located.

    • Slide the opening pick around the right side of the loudspeaker cover and start to pry it up. Avoid damaging the antenna cable during this step.

    編集

  20. Huawei Mate 20 Loudspeaker Replacement: 手順 19、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 19、 2の画像 2

    • Work your way along the bottom edge of the loudspeaker cover into the direction of the charging port. Use the opening pick to pry up the loudspeaker during this procedure.

    編集

  21. Huawei Mate 20 Loudspeaker Replacement: 手順 20、 2の画像 1 Huawei Mate 20 Loudspeaker Replacement: 手順 20、 2の画像 2

    • Remove the loudspeaker.

    編集
終わりに

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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コメント 1 件

Hallo ich habe den Lautsprecher getauscht, jedoch kommt noch immer kein Ton. Liegt es vielleicht an der Platine darunter bzw. die Einheit mit der Ladebuchse? Sollte ich diese eventuell auch austauschen? Vielen Dank schonmal vorab.

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