Troubleshooting
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 fix yourself.
Message
Possible causes
There is no SIM card in the
SIM error
phone, or it is inserted incorrectly.
No network
Signal is weak or you're outside
connection /
the carrier network.
Losing network
Operator applied new services.
To change a security code, you
will need to confirm the new code
Codes do not
by re-entering it.
match
The two codes you have entered
do not match.
An application
Not supported by service provider
cannot be set
or registration required.
Dialling error
Calls not
New SIM card inserted.
available
Pre-paid charge limit reached.
On/Off key pressed too briefly.
Phone cannot
Battery is not charged.
be switched on
Battery contacts are dirty.
Possible corrective measures
Make sure the SIM card is correctly inserted.
Move towards a window or into an open area.
Check the network operator coverage map.
Check whether the SIM card is more than 6~12
months old. If so, change your SIM at your
network provider's nearest branch. Contact your
service provider.
If you forget the code, contact your service
provider.
Contact your service provider.
New network not authorised.
Check for new restrictions.
Contact service provider or reset limit with PIN2.
Hold the On/Off key down for at least two
seconds.
Charge battery. Check charging indicator on
the display.
Clean the battery contacts.
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