Settings
screen timeout.
Location & security
Use wireless networks – If you select
this function, your phone determines
your approximate location using
Wi-Fi and mobile networks. When
you select this option, you're asked
whether you consent to allowing
Google to use your location when
providing these services.
Use GPS satellites – If you select this
function, your phone determines your
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location to street level accuracy.
Set up screen lock – Set an unlock
pattern to secure your phone. It
opens a set of screens that guide you
through drawing a screen unlock
pattern. You can set a PIN or password
instead of a pattern or leave it as
None.
When you turn on your phone or
wake up the screen, you're asked to
draw your unlock pattern to unlock
the screen.
Set up SIM card lock – Set up SIM