Oppok 1 forcibly restore the factory settings.

1, enter the phone "Settings >"; Other settings > restore phone ",you can choose the following options when restoring your phone. It is recommended that you choose according to your personal needs:

_ Restore System Settings only: Only clear the settings of the mobile phone and keep your saved data, such as photos and music.

_ Erase downloaded applications and application data (erase all application data and non-uninstallable applications): your photos, music, etc. Will be preserved.

_ Erase all data completely (erase all contents and settings): Erase all data, including photos and music.

_ Clear phone contacts and call records (clear phone contacts and call records): SIM card contacts will be kept.

_ Erase SMS and MMS (Erase SMS and MMS): SIM card SMS will be kept.

2. In order to ensure the security of personal information, if the mobile phone has a lock screen password or a mobile phone account, you need to verify your lock screen/account password when you choose the above options to restore (you need to keep the network connection when verifying the account password). After entering the correct password, you can follow the on-screen prompts.

Note: If the mobile phone has a screen lock password and has logged into the mobile phone account, some models need to verify your screen lock password before verifying the account password when returning to the factory, which is subject to the prompt on the mobile phone page.

If you forget the screen lock password or mobile phone account password, please follow the following steps to retrieve the password.

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1 and ColorOS 3. 1 system, go to "Settings >; Other settings > restore mobile phone ",you can only choose to restore all system settings, erase all contents and settings, erase mobile phone contacts and call records, and erase mobile phone short messages and multimedia messages;

2. For phones with ColorOS 3.0 system, go to "Settings >"; Other settings > backup reset (restore/restore mobile phone) ",you can choose to erase all application data and non-uninstallable programs, erase all contents and settings, erase mobile phone contacts and call records, and erase mobile phone short messages and multimedia messages;

3. For phones below ColorOS 2. 1, go to Settings >; General > More > Restore Factory Settings > Reset Phone "to reset and restore factory settings. The default initial password is 0000. If the screen lock password is set, the password for restoring the factory setting is the screen lock password.