Hello i have recently bought this tablet PocketDroid Christmas White - Mini Android 2.3 Tablet with 4.3 Inch Touchscreen (WiFi) (it is not available to buy but if you scroll down you can see the device) it worked well for sometime but then screen calibration went off. it is so inaccurate that it is impossible to use the tablet and recalibrate it through settings.here are the things i have tried. reseted the device: and did not work held down vol up button while booting to open the recovery mode: did not work. the device turns off insted of entering recovery mode cut the battery off and reinsert it after a whie: did not work Are there any other ways to calibrate the screen? if there is not what can i do to save the tablet? Thanks in advance.