So this is a different question.
If this is an AT&T phone, then you will need to go to their site and see if an update is available.
Laura Rooke
MVP - Mobile Devices
My Devices..........
IPAQ 3650
IPAQ 5450
IPAQ 4700
IPAQ 2795
Jasjar
Motorola Q
T-Mobile Dash
AT&T TILT