Restore the basic definition of factory settings

Restore the personality settings of the equipment or instrument to the factory default state, such as startup interface, standby mode, operation shortcut key, and timed reminder. Restore to factory settings without deleting the stored data.

Factory setting

Some settings of ringtone, theme, scene mode, alarm clock and font are restored to factory status. SMS, phone book, calendar, application software and other contents will not be deleted.

The ultra-clean box is restored to the factory settings.

1. When the box is powered on (the first three seconds), please keep pressing the left button of the remote control. 2. Turn to the penultimate item with the remote control, click OK when you see reset, and confirm the factory settings. 3. Choose the penultimate item, indicating yes. 4. Wait for the factory settings to be restored. Finally, select the first item to restart!