Lock keypad
You can lock your phone's external keys
to prevent accidental key presses.
To lock the external keys automatically
after a specified time:
Find it: M > Settings > Security >
Keypad Lock > Auto Lock.
Tip: You can lock the keypad inmediately
by pressing M and
Airplane Mode
Note: Consult airline staff about the use
of the Airplane Mode during flight. Turn
off your phone whenever instructed to
do so by airline staff.
Airplane Mode turns off your phone's
calling features in situations where
wireless phone use is prohibited, but
you can use the phone's other
non-calling features when Transmitters
turned Off.
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Basics
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Find it: M > R > Advanced >
Transmitters
1 Select Off to turn on airplane mode.