Determine your current device software version and check for updates.
INSTRUCTIONS & INFO
From the home screen, swipe down from the Notification bar, and then tap the Settings icon. Note: The images and steps in this tutorial reflect the latest software version (Android 6.0.1).For more information on the latest update available for your device, check att.com/softwareupdates.
Scroll down to the System section, then tap About device.
The device software version will be displayed.
To check for software updates, tap Software update.
Tap Check for updates.
Tap OK. Follow on-screen prompts to download and install any available updates.