Sony Ericsson K770i - Manual (Page 66)

64 More features
Time and date
To set the time
1 From standby select Menu > Settings
> the General tab > Time & date > Time .
2 Enter the time > Save .
To set the date
1 From standby select Menu > Settings
> the General tab > Time & date > Date .
2 Enter the date and select Save .
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.
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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