Sony Ericsson K510i manually, } Unlock, Phone lock, Keypad lock, } Lock keys, } Change PIN, More features, Phone lock on, To edit your PIN, Automatic keylock

More features
To edit your PIN				Automatic keylock
1 } Settings } General } Locks } SIM lock				Automatic keylock in standby means the keypad is
	} Change PIN.			locked a short while after you last press a key.
2 Enter your PIN } OK.				To set the automatic keylock
3 Enter a new four- to eight-digit PIN } OK.
				} Settings } General } Locks } Automatic keylock.
4 Re-enter the new PIN to confirm } OK.
To turn the SIM card lock on or off				Phone lock
				The phone lock protects the phone against
1 } Settings } General } Locks } SIM lock
				unauthorized use if it is stolen and the SIM card
	} Protection and select On or Off.
				is exchanged. You can change the phone lock code
2 Enter your PIN } OK.
				(0000) to any four- to eight-digit personal code.
Keypad lock				Phone lock on
Lock the keypad to avoid dialling a number by
				If the phone lock is on, enter your code } OK.
accident. You can still answer an incoming call and
the keypad locks again after it. The keypad remains				Automatic phone lock
locked until you unlock it manually.				If the phone lock is set to automatic, you do not
Calls to the international emergency number, for				need to enter your phone lock code until a different
example, 112 or 911, can still be made, even when				SIM card is inserted in the phone.
the keypad is locked.				It is important that you remember your new code. If
To lock and unlock the keypad				you should forget it, you have to hand in your phone
				to your local Sony Ericsson retailer.
manually
		} Lock keys.
•	Press		} Unlock.
•	To unlock the keypad, press

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