Store your text (SMS) and picture (MMS) messages in the AT&T cloud and view on other devices.
INSTRUCTIONS & INFO
AT&T Messages Backup & Sync stores your text and picture messages in the AT&T cloud and syncs them to your supported smartphone. Note: You can also, access your messages and send or receive messages using your mobile number from your tablet or computer at messages.att.net, or downloading the AT&T Messages app on your Android tablet.
To turn AT&T Messages Backup & Sync on or Sync Messages, from the home screen, tap Messages.
From the Messaging inbox, tap the Menu icon.
Tap Settings.
Tap AT&T Messages Backup & Sync.
If AT&T Messages Backup & Sync is not enabled, tap TURN IT ON.
Tap OK.
To cancel the service, login to att.com/myatt or the myAT&T app and remove AT&T Messages Backup & Sync from the mobile number that has the service. Note: To learn more, visit AT&T Messages Backup & Sync.