Any AT&T customers had this problem? 3 weeks ago ATT started disabling the keypad on my V3xx.When it has an unregistered sim card it works fine. All I could do was answer calls by flipping open. 3 mos. from all (4) of my contracts ending. Got 2 other phones in last 2 yrs & wound up going back to V3xx due to reception where I live. I love my new Blackberry, but still feel a little duped and forced into buying new phone and new 2 yr contract. read full review »