BLU Life XL Motherboard Replacement

はじめに

A faulty motherboard can render your smartphone inoperable. This guide demonstrates the steps required to replace the motherboard on a BLU Life XL smartphone.

必要な工具と部品

手順1 Volume Control Buttons

BLU Life XL Motherboard Replacement, Volume Control Buttons: 手順 1、 3の画像 1

BLU Life XL Motherboard Replacement, Volume Control Buttons: 手順 1、 3の画像 2

BLU Life XL Motherboard Replacement, Volume Control Buttons: 手順 1、 3の画像 3

Turn the device off by holding down the power button for up to 5 seconds and then tapping the "Power off" button on the screen.
Remove the rear cover using your hands at the lip on the device back cover. No tools required.
Remove the battery by lifting the lower edge of the battery up first.

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手順2

Remove the 12x3mm screws from the rear plate using the Phillips#000 screwdriver.

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手順3

Firmly press the prying tool into the gap between the front glass and rear plate. This gap is located on all sides of the phone.
Run the prying tool around the entire phone separating the rear plate from the frame.

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手順4

BLU Life XL Motherboard Replacement: 手順 4、 3の画像 3

Gently remove the tape covering the volume control buttons. The tape is located near the top left of the cavity for the battery.
Replace the component and reapply the tape over the buttons.

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手順5 Motherboard

BLU Life XL Motherboard Replacement, Motherboard: 手順 5、 2の画像 1

BLU Life XL Motherboard Replacement, Motherboard: 手順 5、 2の画像 2

Remove the two 12x3mm screws using the Phillips #000 screwdriver.
Remove the ribbon cables.

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手順6

BLU Life XL Motherboard Replacement: 手順 6、 3の画像 3

The ribbon cables are attached by zero insertion force (ZIF) connectors. To disconnect the cable, flip up the small locking flap and pull the cable out.

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手順7

BLU Life XL Motherboard Replacement: 手順 7、 3の画像 3

この手順で使用する道具：

Tweezers

$4.99

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Remove the white ZIF connector then remove the cable connecting the digitizer to the motherboard by gently pulling.
An adhesive pad attaches this component to the motherboard. To remove it, use a pair of tweezers to gently pry it upwards.

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手順8

BLU Life XL Motherboard Replacement: 手順 8、 3の画像 3

The motherboard should now be free from its mount in the phone, but it is still connected to the PBC data cable. To remove the cable from the motherboard, gently pry upward.
The motherboard is now free and can be replaced.

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