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Microsoft Lumia 640 LTE Screen Replacement

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  1. Microsoft Lumia 640 LTE Screen Replacement, Back Cover: 步骤 1 中的图像 1,2 Microsoft Lumia 640 LTE Screen Replacement, Back Cover: 步骤 1 中的图像 2,2
    • Use your thumb or fingernail on the edge/corner of the phone to pry the back cover off the phone.

  2. Microsoft Lumia 640 LTE Screen Replacement, Screen: 步骤 2 中的图像 1,3 Microsoft Lumia 640 LTE Screen Replacement, Screen: 步骤 2 中的图像 2,3 Microsoft Lumia 640 LTE Screen Replacement, Screen: 步骤 2 中的图像 3,3
    • Use the tweezers to pull back the sticker, revealing the screw underneath.

    • Be careful when removing the screws as they can strip easily.

  3. Microsoft Lumia 640 LTE Screen Replacement: 步骤 3 中的图像 1,2 Microsoft Lumia 640 LTE Screen Replacement: 步骤 3 中的图像 2,2
    • Use a T4 Torx driver to remove the screws in the four corners, along with the two in the middle left side (six total).

  4. Microsoft Lumia 640 LTE Screen Replacement: 步骤 4 中的图像 1,2 Microsoft Lumia 640 LTE Screen Replacement: 步骤 4 中的图像 2,2
    • Using the T4 Torx driver, unscrew the two screws.

    • Keep these screws separate from the screws from back of the phone to ensure that the right screws go where they belong.

  5. Microsoft Lumia 640 LTE Screen Replacement: 步骤 5 中的图像 1,2 Microsoft Lumia 640 LTE Screen Replacement: 步骤 5 中的图像 2,2
    • Use a plastic opening tool to separate the screen from the back plastic casing

    • Use tweezers to release the clip on the side of device, and remove the back of the phone.

  6. Microsoft Lumia 640 LTE Screen Replacement: 步骤 6 中的图像 1,2 Microsoft Lumia 640 LTE Screen Replacement: 步骤 6 中的图像 2,2
    • Using the tweezers or a spudger, pull the gold tab up gently.

    • Using tweezers or a spudger, lift the white connector up gently to completely detach the screen from the phone.

    • For motherboard replacement, skip to Step 11 after finishing this step.

  7. Microsoft Lumia 640 LTE Screen Replacement: 步骤 7 中的图像 1,3 Microsoft Lumia 640 LTE Screen Replacement: 步骤 7 中的图像 2,3 Microsoft Lumia 640 LTE Screen Replacement: 步骤 7 中的图像 3,3
    • Using a plastic opening tool to carefully get under the gold strip.

    • Use tweezers to pull up the camera.

    • Use tweezers to pull up on the depth sensor.

    • This is held in by a strong adhesive.

  8. Microsoft Lumia 640 LTE Screen Replacement: 步骤 8 中的图像 1,1
    • Use a plastic opening tool to pry up the ear speaker.

    • This is held in by strong adhesive.

结论

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

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