Back up my
data:
back up app data, WLAN
passwords and other settings to Google
servers.
Factory data
reset:
reset the phone to factory
settings and erase all data.
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Accounts
Change SYNC settings or manage the
accounts requiring SYNC.
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System
Date & time
Change the display method of date & time.
Accessibility
Accessibility is specially customized for people
with disabilities. Changing settings can make
the phone more accessible to people with
disabilities.