It is a good idea to back up your device's information to the cloud regularly in case something happens to your device. Backing up your device's data to the cloud can make it easier to set up your new device.
From the Home screen, drag down the Notification Panel.
Drag down the Quick Settings panel.
Tap the Settings icon.
Scroll to Backup & reset.
Tap Backup & reset.
Tap Back up my data.
Switch Back up my data to the On position.
Tap the Back icon.
Tap Backup account.
Select a backup account.
Tap or slide the Automatic restore switch to the On position. To restore your content, sign into your backup account on your device.