HELL0 EVERYONE I AM IN DESPERATE NEED 0F ADVICE. I HAVE HAD MY HTC HERO FOR ABOUT 3 WEEKS NOW. TODAY SOMEONE TEXTED ME AND THEIR NUMBER DIDNT POP UP I WENT IN2 MY CONTACTS --> G0NE, EMPTY, THEY VANISHED <-- CAN SOMEONE PLEASE HELP ME I CALLED SPRINT THEY SAID THEY DONT NO WHAT TO DO?? I NO IM NOT THE ONLY VICTIM OF THIS. IM TAKING ALL SUGGESTIONS.. THANKS