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简介

In order to replace your Blackberry Bold 9900 motherboard, you will need to follow several prerequisite guides and really take this phone apart. You will want to follow this guide if the Blackberry’s motherboard becomes damaged.

  1. Blackberry Bold 9900 Motherboard Replacement, Battery: 步骤 1 中的图像 1,1
    • Place phone screen down.

    • Use your finger to life upward on the battery case.

    • Pull the cover away from the battery.

  2. Blackberry Bold 9900 Motherboard Replacement: 步骤 2 中的图像 1,1
    • Lift the edge of battery with the green stripe upward to remove battery.

  3. Blackberry Bold 9900 Motherboard Replacement, MicroSD card: 步骤 3 中的图像 1,2 Blackberry Bold 9900 Motherboard Replacement, MicroSD card: 步骤 3 中的图像 2,2
    • The MicroSD card is located where the red rectangle is shown.

    • To remove MicroSD card, push the card inward towards the top of the phone then release. The MicroSD card will be ejected.

  4. Blackberry Bold 9900 Motherboard Replacement, Keyboard: 步骤 4 中的图像 1,2 Blackberry Bold 9900 Motherboard Replacement, Keyboard: 步骤 4 中的图像 2,2
    • Lift the bezel at the bottom of the phone up and peel it away from the phone.

  5. Blackberry Bold 9900 Motherboard Replacement: 步骤 5 中的图像 1,2 Blackberry Bold 9900 Motherboard Replacement: 步骤 5 中的图像 2,2
    • Remove the two exposed screws using the T5 Torx screwdriver.

  6. Blackberry Bold 9900 Motherboard Replacement: 步骤 6 中的图像 1,1
    • Now lever the keyboard up using the screwdriver in the indicated hole.

  7. Blackberry Bold 9900 Motherboard Replacement: 步骤 7 中的图像 1,2 Blackberry Bold 9900 Motherboard Replacement: 步骤 7 中的图像 2,2
    • The keyboard is attached via a ribbon cable. Pull the cable up to remove the keyboard.

  8. Blackberry Bold 9900 Motherboard Replacement, Mini-SIM removal: 步骤 8 中的图像 1,1
    • The Mini-SIM card is located inside the red rectangle.

    • To remove the Mini-SIM Card, push and slide the card inward towards the top of the phone. It will be ejected.

  9. Blackberry Bold 9900 Motherboard Replacement, Back Case: 步骤 9 中的图像 1,1
    • Using the T5 Torx Screwdriver, remove the four torx screws that are located on the bottom half of the device

  10. Blackberry Bold 9900 Motherboard Replacement: 步骤 10 中的图像 1,1
    • Now, carefully and gently using your fingers, lift and remove the assembly from the back case.

  11. Blackberry Bold 9900 Motherboard Replacement, Power/Volume Button: 步骤 11 中的图像 1,3 Blackberry Bold 9900 Motherboard Replacement, Power/Volume Button: 步骤 11 中的图像 2,3 Blackberry Bold 9900 Motherboard Replacement, Power/Volume Button: 步骤 11 中的图像 3,3
    • Use the black nylon spudger to pop the press fit connector up from the lower left corner of the motherboard.

  12. Blackberry Bold 9900 Motherboard Replacement: 步骤 12 中的图像 1,1
    • Lift the midframe, which contains the power/volume buttons, off of the motherboard and screen.

  13. Blackberry Bold 9900 Motherboard Replacement, Motherboard: 步骤 13 中的图像 1,3 Blackberry Bold 9900 Motherboard Replacement, Motherboard: 步骤 13 中的图像 2,3 Blackberry Bold 9900 Motherboard Replacement, Motherboard: 步骤 13 中的图像 3,3
    • Using a spudger, gently walk the display cable out from the motherboard.

    • When it seems it has become loose enough, remove it by pinching the ribbon firmly with your fingers and gently sliding it the rest of the way out.

  14. Blackberry Bold 9900 Motherboard Replacement: 步骤 14 中的图像 1,1
    • Remove the motherboard from the screen.

结论

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

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Sarah Westberg

于2019年03月11日注册

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