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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 Accounts
Use these settings to add, remove, and manage your email and other
supported accounts. You can also use them to control details of the ways
applications send, receive, and synchronize data; if this is according to their
own schedules; and whether all applications can synchronize user data
automatically.
11.4.1 Add account
Touch to add an account for a selected app.
11.5 System
11.5.1 Date & time
Use Date & time settings to customize your preferences for how date and
time are displayed.
Automatic date & time
Touch to select Use network/GPS provided time or Off.
Mark the checkbox to use network-provided time or use GPS provided
time.
Automatic time zone
Mark the checkbox to use the 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.
11.3.4 Back up 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 select delete all DRM licenses.
Factory data reset
Phone reset will 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 mark the
checkbox - Reserve the content of Phone storage before touching Reset
phone, any files stored on your phone’s storage will not be erased. 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.
