A AC Question Nov 13, 2015 #1 in original package from irgin moble was a added sticker showing how on gingerbread 2.3.7 to calibrate touchscreen by holding 1 or 2 buttons in sequence & 4 point adjustment screen appears.
in original package from irgin moble was a added sticker showing how on gingerbread 2.3.7 to calibrate touchscreen by holding 1 or 2 buttons in sequence & 4 point adjustment screen appears.