This seems to be a really common problem with these phones. I have personally known two people's phones did this and the only solution was to RMA it. Not to mention numerous other reports of the same problem here on XDA.
---------- Post added at 01:22 PM ---------- Previous post was at 01:22 PM ----------
Originally Posted by samersh72
try to re-flash radio image.
I had the same problem and that didn't fix it. It was hardware related.