First, use computer-aided tools to complete it.
1. Install auxiliary brush software such as brush wizard on the computer.
2. The mobile phone is connected to the computer. Open the clear screen password in the brush wizard tool and confirm it.
Second, you can't use the above method and connect to the computer, which means that USB debugging mode is not turned on and you can only restore the factory settings.
1. Press and hold down the volume down key+power on key at the same time in the power-off state.
2. The guide interface appears, release it, and then enter the restore brush tool.
3. Select to erase the data through the volume up and down and confirm (the volume key is selected up and down, and the power key is confirmed). When the option appears, select Yes.
4. After automatically returning to the menu, click Clear Cache until automatically returning to the main menu.
5. Select Restart and restart.
If it is a Chinese menu. Choosing to clear data and cache separately is the same.