Sony Ericsson Z780i - Manual (Page 65)

65 More features
Locks
SIM card lock
This lock only protects your
subscription. Your phone will work
with a new SIM card. If the lock is on,
you have to enter a PIN (Personal
Identity Number).
If you enter your PIN incorrectly three
times in a row, the SIM card is blocked
and you need to enter your PUK
(Personal Unblocking Key). Your PIN
and PUK are supplied by your network
operator.
To unblock the SIM card
1 When PIN blocked appears, enter your
PUK and select OK .
2 Enter a new four-to-eight-digit PIN
and select
OK .
3 Re-enter the new PIN and select OK .
To edit the PIN
1 From standby select Menu > Settings
> the General tab > Security > Locks
> SIM protection > Change PIN .
2 Enter your PIN and select OK .
3 Enter a new four-to-eight-digit PIN
and select
OK .
4 Re-enter the new PIN and select OK .
To use the SIM card lock
1 From standby select Menu > Settings
> the General tab > Security > Locks
> SIM protection > Protection .
2 Select an option.
3 Enter your PIN and select OK .
Phone lock
You can stop unauthorized use of your
phone. Change the phone lock code
(0000) to any four-to-eight-digit
personal code.
To use the phone lock
1 From standby select Menu > Settings
> the General tab > Security > Locks
> Phone protection > Protection .
2 Select an option.
3 Enter the phone lock code and select
OK .
If Codes do not match appears, you
entered the new PIN incorrectly.
If
Wrong PIN appears, followed by Old
PIN: , you entered your old PIN incorrectly.
It is important that you remember your
new code. If you forget it, you have to
take your phone to your local
Sony Ericsson retailer.
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