User's Manual

40
TROUBLESHOOTING
If you meet a trouble on your phone
operation, please check the followings.
These checks enable you to save time
and expense due to unnecessary after-
service.
When Enter PIN appears at the power-
up…
The PIN check is currently enabled. You
must enter the PIN supplied together with
your SIM card. You can disable the PIN
check if you want, please see Security
Setting menu.
When Enter PUK appears at the power-
up…
PUK (Personal Unblocking Key) is used
to unblock the blocked SIM card due to
incorrectly entered PIN. PUK code is
composed of 8 digits, and usually
provided with your SIM card. If the PUK
code is entered incorrectly several times
in succession, PUK will be blocked and