How does zukz2pro restore factory settings without booting?

1. Press and hold down the volume increase button, HOME button and power button at the same time when turning off the machine, and release it after the screen lights up to enter recovery mode.

2. After entering the recovery mode, the English selection interface will appear. Select Erase Data/Restore Factory Settings Confirmation-then select the middle line Yes-Delete; ; Of course.

3. Select Erase Cache Partition to reconfirm.

4. Finally, choose the first restart system and restart the phone now. Note: When doing the above operations, be sure to back up important data such as personal data, phone book and SMS, because these data will be cleared when unlocking.

Expand:

1. When leaving the factory, restore the factory settings to the default state, such as startup interface, standby mode, operation shortcut keys, timing reminder and other functions, and clear the saved parameter 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.

2. Restore some settings of ringtone, theme, scene mode, alarm clock and font to factory status. The contents in the memory card (such as downloaded application) or SIM card (such as SMS) will not be deleted.