How to Repair iPhone 8 and iPhone 8 Plus can't Boot
How to Repair iPhone 8 can't Boot,iPhone 8 Plus black screen processing method
First, let's see if the battery is used up. If this is the case, connect the phone to the power source for charging. It should be noted that even after charging the power supply, it takes a few minutes to turn it on.
Second, try to restart, iPhone8/8plus restart mode is different from previous iphone mobile phone, the correct restart method is:
1. Try to press the volume up button first to release it.
2. Press the volume down button again to release.
3. finally start long press the power button until the black screen appears Apple logo
Third, if you can restart, this is the best; if you can not restart, try to restore the iphone8 system in recovery mode:, the specific steps are:
1. Press the volume plus button quickly, then quickly press the volume down button, and finally, press and hold the power off button;
2. After pressing the black screen, press and hold the volume down button until the data line and the itunes logo appear on the device screen.
Fourth, if still can not be solved, try to enter the DFU mode to brush, the steps are:
1. Press and hold the power button to turn off the device;
2, then quickly press and hold the power button for three seconds, continue to hold down the power button after three seconds while holding down the volume down button for 10 seconds;
3. Release the power button and keep pressing the volume down button until the prompt is successful (the DFU mode device is black screen, you need to judge according to the software to see if it is successfully entered).
5. If you enter the DFU mode, you still can't solve it. Generally, the reason is not the motherboard chip or the board layer. You need to detect it to determine:
1. Through the current instrument to test the various chips on the motherboard, including cpu, display chip, touch chip, power chip, battery and board layer line;
2. Check if one of them has a black short or a short solder. It is then repaired by chip migration technology.
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First, let's see if the battery is used up. If this is the case, connect the phone to the power source for charging. It should be noted that even after charging the power supply, it takes a few minutes to turn it on.
Second, try to restart, iPhone8/8plus restart mode is different from previous iphone mobile phone, the correct restart method is:
1. Try to press the volume up button first to release it.
2. Press the volume down button again to release.
3. finally start long press the power button until the black screen appears Apple logo
Third, if you can restart, this is the best; if you can not restart, try to restore the iphone8 system in recovery mode:, the specific steps are:
1. Press the volume plus button quickly, then quickly press the volume down button, and finally, press and hold the power off button;
2. After pressing the black screen, press and hold the volume down button until the data line and the itunes logo appear on the device screen.
Fourth, if still can not be solved, try to enter the DFU mode to brush, the steps are:
1. Press and hold the power button to turn off the device;
2, then quickly press and hold the power button for three seconds, continue to hold down the power button after three seconds while holding down the volume down button for 10 seconds;
3. Release the power button and keep pressing the volume down button until the prompt is successful (the DFU mode device is black screen, you need to judge according to the software to see if it is successfully entered).
5. If you enter the DFU mode, you still can't solve it. Generally, the reason is not the motherboard chip or the board layer. You need to detect it to determine:
1. Through the current instrument to test the various chips on the motherboard, including cpu, display chip, touch chip, power chip, battery and board layer line;
2. Check if one of them has a black short or a short solder. It is then repaired by chip migration technology.
Wholesale iPhone 8 Lcd
