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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
SIM error
No connection
to the network
Codes do not
match
Function
cannot be set
Calls not
available
98
| User Guide
LG TU750
Possible causes
There is no SIM card in the
phone or you may have
inserted it incorrectly.
Signal weak
Outside GSM network
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.
Not supported by Service
Provider or registration
required
Dialling error
New SIM card inserted
Charge limit reached
Possible Corrective measures
Make sure that the SIM card is
correctly inserted.
Move higher to a window or open
space. Check service provider
coverage map.
Contact your Service Provider.
Contact your Service Provider.
New network not authorised. Check
for new restrictions. Contact Service
Provider or reset limit with PIN 2.
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