Sunstech TAB77QUAD Manual De Usuario página 15

Mandatory Power off
1. Press and hold the power button for 5 seconds and the device will be
powered off.
2. Press the reset button on the back and the device will be forced to be
powered off.
Restore Default Setting
If you want to reset the factory setting and erase all materials, please press
Settings → Backup & Reset → Factory data reset.
** Warning: Factory data reset setting will delete your data and
configuration of system and applications from downloading.
**Please use this function carefully.
-Recovery mode Function. TAB77QUAD
How to enter in recovery mode.
Please follow these steps.
To enter in the recovery mode first you should power off the device,
1-Then long-press the "ON-OFF" key and "Return" Key at the same
time until the Recovery mode has appeared, pls try it.
2-After a new menu will appear and then you must use the touch
panel to select "Wipe data/ factory reset" then press "Power" and
then select "Yes delete all user data"
Then press "power" again. The unit will then begin the recovery
mode.(this process may last for a few minutes).
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