LG GD570 - Manual (Page 171)

169
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
Insert SIM 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.
Calls not
available
Dialling error
New SIM card
inserted
Charge limit reached
New network not authorised.
Check for new restrictions.
Contact Service Provider.
Trouble Shooting