Determine your current device software version and check for updates.
INSTRUCTIONS & INFO
From the home screen, swipe down from the Notification bar.
Tap the Settings icon.
Swipe to the MORE tab, then tap About device.
The device software and baseband version will be displayed.
To check for software updates, tap Software updates.
Tap Check for updates. Note: To see if there is an update available for your device, check att.com/software updates.
Tap OK. Follow on-screen prompts to download and install any available updates. Note: The images and steps in this tutorial reflect the latest software version Android 5.0 which became available on April 7, 2015. For more information on the latest update available for your device, check att.com/software updates.