Determine your current device software version and check for updates.
INSTRUCTIONS & INFO
To access quick settings, swipe down from the Notification bar, then tap the Settings icon. Note:The images and steps in this tutorial reflect the latest software version (6.0.1). For more information on the latest update available for your device, check att.com/softwareupdates.
Swipe to the SYSTEMtab, then tap About device.
The device's current Android, and Baseband versions will be displayed.
To check for software updates, tap Software update.