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SIM card error |
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SIM card damaged | Check the condition of the SIM |
| card. If it is damaged, contact the |
| network operator. |
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SIM card incorrectly installed | Check the installation of the SIM |
| card. Remove the card and reinstall |
| it. |
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SIM card dirty or damp | Wipe the contact surfaces of the |
| SIM card with a clean cloth. |
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Failure to connect to network |
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SIM card invalid | Contact the network operator. |
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No coverage of GSM service | Contact the network operator. |
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Signal too weak | See Weak signal below. |
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Weak signal |
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Too far from base station | Try again from another location. |
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Network congestion | Try calling at a later time. |
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Echo or noise |
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Regional problem from bad network | Hang up and redial. This may |
relay | switch to another network relay. |
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Failure to add a contact |
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Phonebook memory full | Delete contacts to free up memory. |
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Failure to set a function |
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Function not supported or | Contact the network operator. |
subscribed from network |
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