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No connection to the
mobile telecommunication
network.
The "Insert SIM" message
appears in the display.
The battery cannot be
charged or is empty
within a short time.
Troubleshooting
− Contact your network
service provider.
− Ensure that the SIM
card has been installed
correctly. Contact
your network service
provider, if necessary.
− Battery is defect.
− Place the phone
correctly in the
charging unit or
connect the charging
unit properly. Clean the
contact surfaces on
the mobile phone and
charging unit with a
soft, dry cloth.
− Charge the mobile for
4 hours.
63
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