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    Troubleshooting

    If your device isn't working properly, you can try several solutions to solve the problem.
    In most cases you can solve the problem by following these guidelines:

    Cause 1 of 10: The battery is flat
    Cause 2 of 10: Your SIM card is faulty
    Cause 3 of 10: An incorrect PIN has been entered
    Cause 4 of 10: Your SIM card is blocked
    Cause 5 of 10: You're asked to key in your PUK
    Cause 6 of 10: Your mobile phone hasn't been assembled correctly

    If your mobile phone hasn't been assembled correctly, you can't turn on your mobile phone.

    Solution: Make sure your mobile phone has been assembled correctly.

    Cause 7 of 10: Your mobile phone is locked to another service provider
    Cause 8 of 10: Your mobile phone is SIM locked to Swisscom
    Cause 9 of 10: Your mobile phone isn't turned on correctly
    Cause 10 of 10: The phone lock code is activated

      

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