1. From the home screen, press the Right Soft key.
   
2. Select Settings, then press the AT&T key.
   
3. Scroll to Phone Information, then press the AT&T key.
   
4. The device OS version will be displayed.
   
5. To check whether a software update is available, press the Right Soft key to go back to the main settings screen.
   
6. Scroll to AT&T Software Update, then press the AT&T key to check for updates.