LG LG Optimus Pro Manuale Proprietario

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This chapter lists some problems you might encounter while using 
your phone. Some problems require you to call your service provider, 
but most are easy to correct yourself.
Message
Possible causes
Possible Corrective Measures
USIM error
There is no USIM 
card in the phone 
or it is inserted 
incorrectly.
Make sure that the SIM card is correctly 
inserted.
No network 
connection/ 
Loosing 
network
Weak Signal 
outside of GSM 
network area.
Operator applied 
new services
Move towards a window or into an 
open area. Check the Network Operator 
coverage map.
See if the SIM card is older than 
6~12month.
If so, change your SIM at the office of your 
network provider.
Codes do not 
match
To change a 
security code, 
you will need to 
confirm the new 
code by entering 
it again.
The two codes you 
have entered do 
not match.
The default code is [0000]. If you forget 
the code, contact your Service Provider.
Any 
application 
cannot be set
Not supported by 
Service Provider 
or registration 
required
Contact your Service Provider.
Troubleshooting