HUAWEI Mate 40 Pro can’t be turned on

After HUAWEI Mate 40 Pro Fall hard, the screen and shell glass cracked into spider webs. After dismantling the machine,Inductor was replaced and the CPU was replaced. The mobile phone can be turned on.

HUAWEI Mate 40 Pro can’t be turned on

Machine model: HUAWEI Mate 40 Pro

Fall hard can’t save a lot of information and photos of the phone after it’s turned on.

Repair process: HUAWEI Mate 40 Pro fell badly, and the screen and shell glass cracked into spider webs.

HUAWEI Mate 40 Pro can't be turned on

HUAWEI Mate 40 Pro can’t be turned on Figure 1.

HUAWEI Mate 40 Pro can't be turned on

HUAWEI Mate 40 Pro can’t be turned on Figure 2.

Take apart the main board, open shielding cover, found that several Inductor fell off.

HUAWEI Mate 40 Pro can't be turned on

HUAWEI Mate 40 Pro can’t be turned on Figure 3.

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HUAWEI Mate 40 Pro can’t be turned on Figure 4.

The Inductor in the falling position is added, and the Connect the power supply is turned on for testing, and the mobile phone still can’t be turned on.

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HUAWEI Mate 40 Pro can’t be turned on Figure 5.

Considering the Fall hard mobile phone, the CPU is prone to Inveracious Soldering problems.So take off the CPU, the current on the board is normal, and replace the CPU.

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HUAWEI Mate 40 Pro can’t be turned on Figure 6.

After installing the CPU, press the power on key again, the current can be normal,current of change can be turned on.But the screen leakage, some content can not be displayed normally.However, the customer asked that the photos and information in the phone could be saved after the repair, so the repair is over here.

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HUAWEI Mate 40 Pro can’t be turned on Figure 7.