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SIM card error:
Dirt on the contact areas of the SIM card? Clean the contact areas of
the SIM card.
SIM card is not inserted properly, insert the SIM card correctly.
SIM card does not function or is damaged? Get your SIM card checked
by your network operator.
Network connection cannot be made:
Bad reception? Move to an open space or if you are in an enclosed
space, near the window.
You are out of range of the mobile network. For information about
coverage, please contact your network operator.
SIM card is invalid. Contact your service provider.
Bad voice quality:
Poor network connection quality on the part of the network provider?
Press the end key and select again. You may be routed to a network
connection or phone line with better quality.
Outgoing calls cannot be made:
Check the phone number and try again.
Have you activated call barring? If so, please disable all call barring.
