Sony Xperia Z2
Google Backup and Restore - Sony Xperia Z2 Tablet
Google Backup and Restore - Sony Xperia® Z2 Tablet
From a Home screen, navigate:
From the Personal section, tap
Back up & reset
Back up my data switch
(located on the right) to turn on
If turned off, existing backups are deleted from Google's servers.
From the Backup account field, ensure the appropriate account (email address) is listed.
To update accounts, ensure the Back up my data switch is turned on then:
then follow the onscreen prompts.
to turn on or off.