Premise: Xiaomi account or Google account must be bound.

Before binding Google account or Xiaomi account, you can directly click "Forgot the Pattern", then select the account and enter the password. Unlocking can be completed after logging in, and the mobile phone must be in a networked state.

2. Modify the phone lock screen password in the cloud.

Premise: The mobile phone has been bound to the Xiaomi account and is in a networked state.

Access and retrieve the mobile phone on the computer-> lock the mobile phone-> enter a new password-> lock the mobile phone, and then enter the password you just set on the mobile phone to complete the unlocking.

Step 3 clear personal data

In the power-off state, press and hold the volume up+power button to resume, and select Chinese (power-on confirmation)-> Clear data-> Clear user data-> Return to the main menu-> Restart the phone.

This operation will clear user data, including contacts, short messages, call records, etc. , but if you have made a backup before, you can restore it after the cleanup operation.

If there is no backup before, you can use the third-party software to backup before operation, and then use the third-party software to restore the backed-up data to the mobile phone after emptying.

4, direct card brush or line brush system.