User's Guide

66 More features
information, contact the application
vendor.
To set the screen size for a Java
application
1 From standby select Menu > Organizer
> Applications.
2 Scroll to an application and select
Options > Screen size.
3 Select an option.
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 unauthorizedd 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.