Optus X SLEEK User Manual page 85

Backup account
Displays your backup account, you can also add one by touch Add
account icon +.
Automatic restore
Turn on the switch to restore your backed up settings or other data
when you reinstall an application.
Network settings reset
Touch button to reset all network settings.
DRM reset
This operation will delete all the licences on your device.
Factory data reset
Erase all of your personal data from internal phone storage, including
information about your Google account, any other accounts, your
system and application settings, and any downloaded applications.
Resetting the phone does not erase any system software updates
you've downloaded or any files on your microSD card, such as music or
photos. If you reset the phone in this way, you're prompted to re-enter
the same kind of information as when you first started Android.
When you are unable to power on your phone, there is another way to
perform a factory data reset by using hardware keys. Press the Volume
up key and the Power key at same time until the screen lights up.
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