I have a Motorola Droid. My first droid phone was rooted and worked great. The phone's touchscreen stopped working though so I went and got the phone replaced, but at the store they put the old SD card into my new phone. My new phone has been acting glitchy, i.e. turns back on when i turn it off, touchscreen keyboard randomly enters letters i didn't press, and when i end a call the phone's screens remains black for about a minute. I was wondering could the SD card from a rooted phone being put in and unrooted phone cause problems? Or is it just that the phone is messed up and i should just go back to the store?