2. Pattern/signature unlocking: When an incorrect unlocking pattern/signature is entered for many times (usually five times), you will be prompted "Backup PIN" in the lower right corner of the screen. Enter the previously set PIN password, and then click OK.
3. Fingerprint unlocking: When the fingerprint can't be unlocked, "Backup PIN" will be prompted at the bottom of the screen, enter the previously set PIN password and click OK.
1. Enter the system mode of the mobile phone, erase all data and restore the factory settings. This method will restore the mobile phone to the factory state, and the personal data, materials, address book and applications on the mobile phone will be lost. The specific steps are as follows:
2. When the mobile phone is turned off, press the volume +HOME button+power button for 3-5 seconds at the same time, and the following screen will appear:
3. Note: The volume up key indicates upward movement; Does volume mean moving down? The power key indicates confirmation; Select "Erase Data/Restore Factory Settings", that is, "Erase Data and Restore Factory Settings", and press the power button to confirm;
4. Select "Yes, delete all user data" and press the power button to confirm; After a period of time, the screen in step 2 will reappear. Select "Restart the system immediately" to restart the phone, and press the power button to confirm;