1. VIEW SOFTWARE VERSION: Swipe down from the Notification bar with two fingers, then select the Settings icon.

Step 1

2. Scroll to and select System, then select About phone.

Step 2

3. Scroll to and select Android verison. Here you can view the Android version and Baseband version.
 
Step 3

4. CHECK FOR SOFTWARE UPDATES: From the Settings screen, scroll to and select AT&T Software Update.

Step 4

5. Select Check for Updates. The device will check for an update. If an update is available, follow the prompts to update your device. If your device is up to date, select OK to continue.

Step 5