Blackberry 9900
Handset Problem
I had bought a New Blackberry Bold 9900 handset in Aug'12. The set intermittently reboots, hangs. Network changes from Edge to GSM on its own and to NO Network. Screen goes black as a call is dialed or received. Went to BB ASC (Khurana Bros) in Janakpuri today. They formatted all data and reloaded ...