132 LG GW620R | User Guide
Trouble Shooting This chapter lists some problems that you might encounter while
using your phone. Some problems require that you call your service
provider, but most of problems you encounter are easy to correct
yourself.
Message Possible causes Possible Corrective
measures
SIM error
There is no SIM card
in the phone or you
may have inserted it
incorrectly.
Make sure that the SIM card is
correctly inserted.
No connection
to the network
Signal weak
Outside GSM network
Move higher to a window or
open space. Check service
provider coverage map.
Codes do not
match
When you want to
change a security code
you have to confirm
the new code by
entering it again. The
two codes that you
have entered do not
match.
Contact your Service Provider.
Function
cannot be set
Not supported by
Service Provider or
registration required
Contact your Service Provider.