citycall tab-712 frozen will not reboot.

[casarova]

Is there a site where I can reboot using an external storage.
The system will not reboot from the internal storage.

 

[Spider]

Click this link http://www.androidtablets.net/forum/android-tablet-q/62022-how-do-i-factory-reset-my-tablet.html and see if any of the reset methods suggested there will work for your tablet.