For v712_V2 only. Please make sure you have no "factory_update_param.aml" files on sdcard or other "update/patch/root .zip" files. If you need your firmware heres the link (Quicker download) http://inwtablet.com/Downloads/Firmwares/Onda/V712/V712D-V2_v1.5.5.zip Now download this file - http://www.mediafire.com/?5a61n3m24p0iq1v New Link Inside your firmware package is "update.zip" copy this to your sdcard. Inside Onda_ICS.zip is "patch.zip" copy this to your sdcard. Please make sure you have at least 50% battery and tablet is shut down completely, now boot to recovery menu and do the following- wipe data/factory reset - wipe cache partition - wipe media partition Then apply update from sdcard and choose "update.zip" one done apply update from sdcard and choose "patch.zip" once done reboot.