Determine your current device software version and check for updates.
INSTRUCTIONS & INFO
VIEW SOFTWARE INFORMATION: Select the Settings app.
Note: The images and steps in this tutorial reflect the latest software version (Android 8.0.0). For more information on the latest update available for your device, check att.com/softwareupdates.
Scroll to and select System, then select About phone.
Android version and Baseband version will be displayed.
CHECK FOR SOFTWARE UPDATES: From the System screen, select System updates.
Select Check for Updates. If an update is available, follow the prompts to update your device. If the device is up to date, select OK.