User's Manual

MP500 User’s Manual v.0.12 Page 141
Solving Problems
Before contacting the after-sales service, perform the
following simple checking items to save your time and
expense for unnecessary services.
When you switch your phone on, the following
messages may appear.
Insert SIM Card
Check the SIM card is correctly installed.
Phone Locked, Enter Password
The automatic locking function has been enabled. You must
enter the phone’s password before you can use the phone.
Enter PIN
 When using your phone for the first time, you must
enter the Personal Identification Number supplied
with the SIM card.
 The option requiring that the “PIN to be entered each
time the phone is switched on” was enabled. You
must enter your PIN and then disable this option if
required.
Enter PUK
The PIN code was entered incorrectly three times in
succession and the phone is now blocked. Enter the PUK