When I use my prime as it is charging from the wall, it literally has a spaz attack when I try to do anything with it. Ghost touches near where I am touching occur, and sometimes all the way across the screen. When it is unplugged it works fine. The little information I've gathered indicates it might be a software or cable problem - but I do not know for sure. Any tips? It isn't a debilitating problem, as I've been charging at night, but it is annoying. My prime is fully updated running ICS.