Salam,

       I have a probleme with my ARNOVA 8B G2 , after an update using an officiel firmware from the officiel website , the tactile doesn't work , and two messages are displayed on the screen (Calibration ) , then (calibration is succefull) , but when i push OK no response , i think that i have to install another ROM but i didn't find another one , please help me , what i have to do to reslove this problem ??