What to do if Huawei won't turn on and only has red lightning flashes? Detailed introduction: Repair process of Huawei phone restarting or flashing red light

php editor Xiaoxin will introduce in detail the situation and solutions to the problem that Huawei mobile phones cannot be turned on and only have red lightning bolts that need to be repaired. When a Huawei phone has difficulty turning on and only the red lightning flashes, it may be because the system is malfunctioning or the battery power is too low. In order to fix this problem, we can try to restart the phone and check the battery, or we can perform software repair by connecting to the computer. This article will provide you with detailed steps to help you solve the problem of Huawei mobile phone not turning on but only red lightning.

Many models of Huawei's machines will have restarting or red light will not turn on. This kind of failure is basically caused by the CPU soldering. Only redoing the CPU can solve the problem. The following is the redoing of the CPU of Huawei mate20pro. Process:

Step one: Fix the motherboard with a special clamp

Step two: Use an air gun to heat it Remove the upper cover of the CPU (running memory) and the main body of the CPU

Step 3: Clean the residual glue on the motherboard pads and clean Clean

Step 4: Clean the residual glue on the CPU and install ultra-high temperature tin

Step 5: Clean the residual glue on the CPU cover and install ultra-high temperature tin

Step 6: Use an air gun to weld the CPU body to the motherboard

Step 5: Install as above CPU upper cover

Step 6: Apply new thermal grease on the CPU, and also apply thermal silicone on the middle frame of the screen Grease

Step 7: Install the shielding cover and put the motherboard and other accessories back into the case

Step 8: The restart problem has been fixed, 15983538885

 

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