Flytouch3 (Odys Xtense) firmware upgrade

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http://androidforums.com – Hi all! I have the following tablet: Model Number: ODYS Xtense Android Version: v2.2 2011-08-01(401111) Kernel version: Build number: FRF85B on the back it has a label "ODYS Xtense" side: 2USB, 2SD, 1HDMI, headphones, ehternet and 9V. I want to upgrade the firmware to a android 2.3 version (because there is an app I want to run which needs v2.3) I have downloaded Tim6a, put it on a formated sd card and reboot the tablet: boots like normal, no firmware upgrade. Have tried to press "Home" + "back" + "power", then I get the message it is upgr (General)