Determine your current device software version and check for updates.
INSTRUCTIONS & INFO
From the home screen, swipe down the Notifications bar with two fingers. Note: The images and steps in this tutorial reflect the latest software version (Android 4.4.2). For more information on the latest update available for your device, check att.com/software updates.
Scroll to, then tap About phone.
The software version is displayed under Android version.
To check for software updates, from the Settings screen, tap AT&T Software Update. Note: To see if there is an update available for your device, check att.com/software updates.
Tap Check for Updates.
If updates are available, follow the on-screen prompts to install. Otherwise, tap OK.