Swipe down from the Notification bar, then select the Settings icon.
Scroll to and select Accounts and backup, then select Backup and restore.
Ensure that the Backup my data and Automatic restore switches are enabled.
Add New Backup Account
From the Backup and restore screen, select Backup account then select the desired backup account option. Select Add account to backup your information to a new Google account.
Note: When you add your Google account to a device, the data that you previously backed up for that Google account is restored to the device.