Sony Ericsson K300c Cell Phone User Manual


 
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To turn the SIM card lock on or off
1 } Settings } General tab } Locks } SIM lock } Protection
and select On or Off.
2 Enter your PIN } OK.
Keypad lock
Lock the keypad to avoid dialling a number by accident. You
can still answer an incoming call and the keypad locks again
after it. The keypad remains locked until you unlock it
manually.
To lock and unlock the keypad manually
Press } Lock keys.
To unlock the keypad, press } Unlock.
Automatic keylock
Automatic keylock in standby means the keypad is locked
a short while after you last press a key.
To set the automatic keylock
} Settings } General tab } Locks } Automatic keylock.
Phone lock
The phone lock protects the phone against unauthorized use if
it is stolen and the SIM card is exchanged. You can change
the phone lock code (0000) to any four- to eight-digit
personal code.
Calls to the international emergency number 112 can
still be made, even when the keypad is locked.