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10
Troubleshooting
General problems
Problem
"The SIM card is
missing or is not
valid. You can still
make emergency
calls if your
service provider
supports it."
displays
"No network
coverage," "Error
unable to
connect. No
network
coverage." or
"Your text
message cannot
be sent." displays
Description & Solution
Check that the SIM card has been
correctly installed.
• The network connection has been
lost. You may be in a weak signal
area (in a tunnel or surrounded by
buildings). Move and try again.
• You are trying to access an option
for which you have not taken out a
subscription with your service
provider. Contact the service
provider for further details.
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