User's Manual

MP500 User’s Manual v.0.12 Page 29
instruction provided with your card.
If you enter an incorrect PIN three times in succession,
the code will be disabled and cannot be used until you re-
enable it by entering the PUK.
PUK
The 8-digit PUK (Personal Unblocking Key) is required to
change a disabled PIN. The PUK may be supplied with
the SIM card. If not, or in case you have lost it, please
contact your service provider.
To re-enable your PIN, proceed as follows.
1. Key-in the PUK and press the OK key.
2. Enter a new PIN of your choice and press the OK
key.
3. When the Confirm New PIN message is displayed,
key-in the same code again and press the OK
key.
If you enter an incorrect PUK ten times in succession, the
SIM card becomes invalid. Please contact your service
provider for a new card.
Pin Password
The 4 ~ 8 digits of password is required when you use
the Call barring function. You can obtain the password
from your service provider when you subscribe to this
function.