1, Healthy Luoyang can try to turn off the mobile phone first, then press and hold the power button+volume up button to enter recovery mode, select two lines of English starting with Wipe, clear the cache and data, and then select rebootsystemnow to restart the system.

2. If you can't boot but can enter the recovery interface, you can also swipe your card. Take out the TF card, copy the card brush package on the computer and put it back on the phone card brush.

3. If you can't enter the recovery interface, you must brush the line. Download the corresponding brush software, such as Phoenix for * * *, Onda and line brush packages owned by mobile phone manufacturers. Just brush the machine according to the prompt.