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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.
11.4
System
11.4.1
Date & time
Use Date & Time settings to customize your preferences for how date
and time are displayed.
Automatic date & time
Mark the checkbox to use network provided time or use GPS provided
time.
Automatic time zone
Mark the checkbox to use network-provided time zone. Or unmark to
set all values manually.
Set date
Touch to open a dialog where you can manually set the phone’s date.
Set time
Touch to open a dialog where you can manually set the phone’s time.
Select time zone
Touch to open a dialog where you can set the phone’s time zone.
Use 24-hour format
Mark the checkbox to display the time using 24-hour clock format.
11.3.4
Backup and reset
Back up my data
Mark the checkbox to back up your phone’s settings and other application
data to Google Servers, with your Google Account. If you replace your
phone, the settings and data you’ve backed up are restored onto the new
phone for the first time you sign in with your Google Account. If you mark
this option, a wide variety of settings and data are backed up, including
your Wi-Fi passwords, bookmarks, a list of the applications you’ve
installed, the words you’ve added to the dictionary used by the onscreen
keyboard, and most of the settings that you configure with the Settings
application. If you unmark this option, you stop backing up your settings,
and any existing backups are deleted from Google Servers.
Back up account
Touch to back up your account.
Automatic restore
Mark the checkbox to restore your backed up settings or other data when
you reinstall an application.
DRM reset
Touch to delete all the digital rights management licenses.
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.
