Hi , when I tray to enter to nissan infinti, mercedes and others cars the tablet show this
text ((( sofware update is not complete, tray again after update finished))))) I did my
last update in january my update time ended in february sow do I be able to do that you
mention here??????

This problem was after I did the update please help, I just want the factory updates
like a (((((restauration point))))) before my last update in january,

 Thanks for sharing. I will give it a try.

 in theory any good backup program will work it simply sees the android tab as another drive.