Other Important Information
Frequently Asked Questions (FAQ)
A message, indicating the keys are locked against use, appears in the dis-
play.
The key lock function is activated; switch the key lock off. Further information is
provided in Section Key Lock on page 102.
Neither the signal strength nor my mobile phone network are displayed on
the start screen.
There is no network connection. Your mobile phone could be in a location without
any network coverage. Move to a different location or contact your mobile phone
provider (network operator).
Check that the SIM card is inserted correctly. Further information is provided in
Section on page 18.
If you use the Dual SIM function offered by the mobile phone, the network availa-
bility and name of each mobile phone network used are displayed. Some mobile
phone networks offer better coverage than others in different areas.
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