Philips 639 User Manual page 103

The display shows Check that the SIM card has
Insert your SIM card been inserted in the right po-
sition (see page 1). If the
problem remains, your SIM
card might be damaged.
Contact your operator.
A car contains many metallic
Your phone doesn't
work well in your parts that absorb electromag-
car netic waves which can affect
the phone's performances. A
car kit is available to provide
you with an external antenna
and enables you to make and
receive phone calls without
handling the handset.
You should check with local
authorities if you are allowed
to phone while driving.
Troubleshooting 95