Determine your current device software version and check for updates.
INSTRUCTIONS & INFO
Swipe down from the Notification bar, then select the Settings icon. Note: The images and steps in this tutorial reflect the latest software version (Android 8.1). For more information on the latest update available for your device, check att.com/softwareupdates.
Scroll to and select System, then select About phone.
Here you can view the Android version, and Baseband version.
To check for software updates, from the System Settings screen select AT&T Software Update.
Select Check for Updates.
If an update is available, follow the on-screen instructions to perform the update. If an update is not available, select OK.