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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.
B270_India_0527.indd 37
Message
Possible causes
USIM error
There is no USIM card
in the phone or you
may have inserted it
incorrectly.
No
Signal weak
connection to
Outside GSM network
the network
Codes do not
When you want to
match
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.
Function
Not supported by
cannot be set
service provider or
registration required
Possible Corrective measures
Make sure that the USIM 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.
37
2009.5.27 7:1:8 PM
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