Security Settings - Icemobile ROCK2.4 Manual

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Show date and time: Display date and time to do On / Off settings, to
determine whether the date and time displayed on the idle screen.
Dedicated keys
Set up,down,left and right key for any functions of you want.
Flight mode
Turn On/Off the Normal or Flight mode. If you select Flight mode, SIM
cards' function will not active.
Misc. settings
Set the brightness and time . LCD brightness settings are divided into
five level, the time can be set to any time between 5-60 seconds. When you
set the time interval without any operation, LCD backlight will turn black
light.

Security settings

Into the "Security Settings" menu, you can set the phone's security
options, mobile phone or SIM card to avoid unauthorized use.
SIM security
PIN lock
SIM card PIN password to lock the completion of your SIM card to
prevent unauthorized use. If the current SIM card lock is closed, select
Open to open the SIM card, enter the PIN lock password, the next boot
requires that you enter the correct PIN password to enter; If the current
SIM card lock is On, select Off to close the PIN lock protection.
Change PIN: If the current PIN password lock has been activated,
you can re-set on the PIN password
Change PIN2: PIN2 old to enter the correct password, you can set on
the PIN2 password.
Phone security
Phone lock:
Phone lock password can prevent your mobile phone stolen by others.
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