How to force Maimang 4 to return to the factory?

Restore the mobile phone to its original factory condition. This operation will delete all data in the storage space, including:

Your account

System and application data and settings

Installed applications, music, pictures and all files in the internal storage space.

Tip: Please back up your data in time before restoring the factory settings (QQ, WeChat and other third-party applications need to be backed up separately); Restore factory settings. The system version will not change.

Please cancel Huawei account before the mobile phone is restored to factory settings, otherwise the mobile phone may not be activated after reset. (Exit mode: open the settings, enter Huawei account in the search box to enter the account center, and click Exit account at the bottom of the account center interface).

If you log in to a Google account, you will be asked to verify the account password after the factory settings are forcibly restored. Please enter the password of your previously logged-in account to start normally. If you forget your Google account password, please follow the steps of forgetting your password to restore your Google account details.

Method one

Open the settings, click System and Update > Reset > Restore Factory Settings, and click Reset Phone. If the screen lock password is set, please enter the correct password and reset it according to the screen prompts.

Method 2

1, please make sure that the phone is turned off and the USB cable is not connected.

2. Please enter the recovery mode according to your model:

Long press the power button and volume up button, wait for 5 seconds after the phone vibrates, and enter the recovery mode;

3. Please click the volume up and down buttons or the touch screen, select Clear Data, and press the power button to confirm;

4. Press the volume up and down keys or click on the touch screen to restore the factory settings, and press the power button to confirm;

Tip: Some models need to enter "Yes" for secondary confirmation before returning to factory settings.

5. After the factory settings are restored, click the Back button, and the phone will return to the recovery interface. At this point, please click to restart the device to enter the mobile phone desktop.