account that you use to back up device data
If you have more than one Google
account, or if you start using a new Google
account, you can change the account that
you use to back up your data.
Swipe down from the top of the screen once using two fingers, or twice using one finger.
> Backup & reset > Backup account.
Tap an account. If you haven't added the account to your device yet, tap Add account, and then follow the prompts to
add the account.