Hi, it seems that lots of people have reported this.

http://www.internettablettalk.com/fo...ead.php?t=5524

http://www.internettablettalk.com/fo...ead.php?t=5487

http://www.internettablettalk.com/fo...ead.php?t=4651

In my case I noticed that 'probably' happens when connected to the mains/power. Today it was all day in my pocket and stayed off!

Hope somebody finds a solution.