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Huawei Mate 20 LCD & Digitizer Replacement

Huawei Mate 20 LCD & Digitizer Replacement

Dominik Schnabelrauch

Dominik Schnabelrauch ve başka bir katkıda bulunan

En son July 27, 2021 tarihinde güncellendi

1 - 2 saat
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Öne Çıkan Kılavuzlar
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1. adıma git

Use this guide to replace a broken or defective LCD Screen & Digitizer in your Huawei Mate 20.

Note: This guide instructs you to replace only the screen while leaving the original frame and motherboard in place. However, some replacement screens for this phone come pre-installed in a new frame (a.k.a. chassis), which requires a very different procedure. Make sure you have the correct part before starting this guide.

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 water-protection.

Before disassembling your phone, discharge the battery below 25%. The battery can catch fire and/or explode if accidentally punctured, but the chances of that happening are much lower if discharged.

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

Neye ihtiyacın var

Parçalar

Aletler

Daha fazlasını göster…

  1. Huawei Mate 20 LCD & Digitizer Replacement, Rear Glass: adım 1, 1 resimden 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.

    Düzenle

  2. Huawei Mate 20 LCD & Digitizer Replacement: adım 2, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 2, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement: adım 2, 3 resimden 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.

    Düzenle

  3. Huawei Mate 20 LCD & Digitizer Replacement: adım 3, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 3, 2 resimden 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.

    Düzenle

  4. Huawei Mate 20 LCD & Digitizer Replacement: adım 4, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 4, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement: adım 4, 3 resimden 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.

    Düzenle

  5. Huawei Mate 20 LCD & Digitizer Replacement: adım 5, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 5, 2 resimden 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.

    Düzenle

  6. Huawei Mate 20 LCD & Digitizer Replacement: adım 6, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 6, 2 resimden 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.

    Düzenle

  7. Huawei Mate 20 LCD & Digitizer Replacement: adım 7, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 7, 2 resimden 2.

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

    Düzenle

  8. Huawei Mate 20 LCD & Digitizer Replacement: adım 8, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 8, 2 resimden 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.

    Düzenle

  9. Huawei Mate 20 LCD & Digitizer Replacement: adım 9, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 9, 2 resimden 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.

    Düzenle

  10. Huawei Mate 20 LCD & Digitizer Replacement: adım 10, 1 resimden 1.

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

    Düzenle

  11. Huawei Mate 20 LCD & Digitizer Replacement: adım 11, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 11, 2 resimden 2.

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

    Düzenle

  13. Huawei Mate 20 LCD & Digitizer Replacement: adım 12, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 12, 2 resimden 2.

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

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

    Düzenle

  14. Huawei Mate 20 LCD & Digitizer Replacement: adım 13, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 13, 2 resimden 2.

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

    Düzenle

  15. Huawei Mate 20 LCD & Digitizer Replacement: adım 14, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 14, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement: adım 14, 3 resimden 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.

    Düzenle

  16. Huawei Mate 20 LCD & Digitizer Replacement, Battery Disconnect: adım 15, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement, Battery Disconnect: adım 15, 2 resimden 2.

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

    Düzenle

  17. Dikkatli ol: adımlar 16-25 yapım altında olarak işaretlenen bir kılavuzdan alınmıştır.

    Huawei Mate 20 LCD & Digitizer Replacement, Motherboard Assembly: adım 16, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement, Motherboard Assembly: adım 16, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement, Motherboard Assembly: adım 16, 3 resimden 3.

    • Remove the SIM card tray.

    Düzenle

  18. Huawei Mate 20 LCD & Digitizer Replacement: adım 17, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 17, 2 resimden 2.

    • Use a spudger to pry up and disconnect the power and volume button flex cable.

    Düzenle

  19. Huawei Mate 20 LCD & Digitizer Replacement: adım 18, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 18, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement: adım 18, 3 resimden 3.

    • Use a pair of tweezers to peel the silver protective tape off the front facing camera’s flex connector.

    • Use a spudger to pry up and disconnect the front facing camera flex cable.

    Düzenle

  20. Huawei Mate 20 LCD & Digitizer Replacement: adım 19, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 19, 2 resimden 2.

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

    Düzenle

  21. Huawei Mate 20 LCD & Digitizer Replacement: adım 20, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 20, 2 resimden 2.

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

    Düzenle

  22. Huawei Mate 20 LCD & Digitizer Replacement: adım 21, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 21, 2 resimden 2.

    • Use a pair of tweezers to carefully pry up and disconnect the antenna cable.

    Düzenle

  23. Huawei Mate 20 LCD & Digitizer Replacement: adım 22, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 22, 2 resimden 2.

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

    Düzenle

  24. Huawei Mate 20 LCD & Digitizer Replacement: adım 23, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 23, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement: adım 23, 3 resimden 3.

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

    • Carefully fold the main flex cable back and out of the way so you have enough space to work on the bottom edge of the motherboard assembly.

    Düzenle

  25. Huawei Mate 20 LCD & Digitizer Replacement: adım 24, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 24, 2 resimden 2.

    • Insert a spudger into the gap between the motherboard assembly and the midframe at the bottom edge of the motherboard.

    • Use the spudger to pry up the motherboard assembly.

    Düzenle

  26. Huawei Mate 20 LCD & Digitizer Replacement: adım 25, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 25, 2 resimden 2.

    • Carefully remove the motherboard assembly. Avoid damaging surrounding components such as the battery or the headphone jack flex cable during this process.

    Düzenle

  27. Huawei Mate 20 LCD & Digitizer Replacement, LCD & Digitizer: adım 26, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement, LCD & Digitizer: adım 26, 2 resimden 2.

    • Apply a heated iOpener to the screen and all edges of the phone for at least two minutes, to loosen the adhesive.

    • In the following step make sure you get in the right gap between the display and the plastic bezel. Do not pry between the bezel and the midframe.

    Düzenle

  28. Huawei Mate 20 LCD & Digitizer Replacement: adım 27, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 27, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement: adım 27, 3 resimden 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.

    Düzenle

  29. Huawei Mate 20 LCD & Digitizer Replacement: adım 28, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 28, 2 resimden 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.

    Düzenle

  30. Huawei Mate 20 LCD & Digitizer Replacement: adım 29, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 29, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement: adım 29, 3 resimden 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.

    Düzenle

  31. Huawei Mate 20 LCD & Digitizer Replacement: adım 30, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 30, 2 resimden 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.

    Düzenle

  32. Huawei Mate 20 LCD & Digitizer Replacement: adım 31, 2 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 31, 2 resimden 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.

    Düzenle

  33. Huawei Mate 20 LCD & Digitizer Replacement: adım 32, 3 resimden 1. Huawei Mate 20 LCD & Digitizer Replacement: adım 32, 3 resimden 2. Huawei Mate 20 LCD & Digitizer Replacement: adım 32, 3 resimden 3.

    • Thread the display flex cable through the gap in the midframe and remove the display.

    • 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.

    Düzenle
Sonuç

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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