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My phone can't connect to the Internet
• Check that the IMEI number (press *#06#) is the same as the one printed
on your warranty card or box.
• Make sure that the internet access service of your SIM card is available.
• Check your phone's Internet connecting settings.
• Try connecting at a later time or another location.
Invalid SIM card
• Make sure the SIM card has been correctly inserted (see "Inserting or
removing the SIM card").
• Make sure the chip on your SIM card is not damaged or scratched.
• Make sure the service of your SIM card is available.
Unable to make outgoing calls
• Make sure you have dialled a valid number and have touched Call.
• For international calls, check the country and area codes.
• Make sure your phone is connected to a network.
• Check your subscription status with Optus (credit, SIM card valid, etc.).
• Make sure you have not barred outgoing calls.
• Make sure that your phone is not in Aeroplane mode.
Unable to receive incoming calls
• Make sure your phone is switched on and connected to a network (check for
overloaded or unavailable network).
• Check your subscription status with your operator (credit, SIM card valid,
etc.).
• Make sure you have not forwarded incoming calls.
• Make sure that you have not barred certain calls.
• Make sure that your phone is not in Aeroplane mode.
I can't find my contacts
• Make sure your SIM card is not broken.
• Make sure your SIM card is inserted properly.
• Import all contacts stored in SIM card to phone.
The sound quality of the calls is poor
• You can adjust the volume during a call by pressing the Volume Up/Down
key.
• Check the network strength.
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