Confirm your choice. A warning will appear. Use the volume buttons to select OK and press the Power button.
If problems continue after a hard reset, the issue may be hardware-related (e.g., failing battery, motherboard damage), and you should consult a professional repair service. How to Hard Reset MEIZU M5
From the main menu, scroll down and select Clear Data . Confirm your choice
Tap Reset Phone .
Scroll down and tap on Backup & Reset (may be listed under "Personal" or "System"). the issue may be hardware-related (e.g.
Press the Power button to go back to the main menu. Then select Reboot → Reboot to System .
Read the warning carefully. It will list all the data that will be erased.