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10 Security
Locking the Keypad
In standby mode, press and hold
for about 3 seconds to
lock the keypad. When the keypad is locked, you can press
to answer a call or make an emergency call.
To unlock the keypad, press
then
in quick
succession. If the
Auto keypad lock
function is enabled, the
phone will lock the keypad automatically after being idle in
standby mode for a pre-defined period.
Phone Lock
The phone lock protects your phone from unauthorized use and
factory settings restoration. By default, the phone lock is disabled.
Once the phone lock is enabled, you must enter a passcode each
time you power on the phone.
The preset passcode is
000000
. You can select
Menu
>
Settings
>
Security
>
Change phone lock code
to change the
passcode to any numeric string of four to eight digits. Do
remember your passcode. If you forget it, contact the service
center.
PIN and PUK
The personal identification number (PIN) protects your SIM/USIM
card from unauthorized use. The PIN unblocking key (PUK) unlocks
a blocked PIN. Both the PIN and the PUK are provided with the
SIM/USIM card. For details, contact your service provider.