How can I back up my data to google drive on the device?
You can back up your data using the following steps.
1) Go “Settings”.
2) Touch “System”
3) Touch “Backup”.
4) Activate “Back up to Google Drive” in the open window.
5) Touch “Back up Now”
* App data, SMS text messages, Device settings, Call history, Contacts will be backed up.
For more back up & sync help, please continue touch “Google Photos”->”Back up & sync help”.