User's Manual

102
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 your SIM card will be automatically lock-up
and the SIM Blocked message will be displayed. Once you see the message, you
need to contact your network service provider for a new SIM card.
When Insert SIM screen appears at the power-up…
☞ Please check that your SIM card is inserted properly.