Música y trucos
Music tips and tricks

音乐技巧和窍门

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    • How to deal with a unrecognized SIM card?
    • Número de reclutas:
    • 2018-03-29
    • Naturaleza profesional:

    Turn off and turn on the flight mode of the mobile phone and check if the problem can be solved;

    Remove and re-install the SIM card to ensure it contacts well with the phone.

    If you use a dual card, please open the closed SIM card switch in SIM card management of the mobile phone;

    If possible, please replace with a SIM card of the supported system or a well-functioning SIM card without any damages for contraction;

    Backup phone data (telephone number, SMS, installed software, photos, etc.), restore phone factory settings or flash to solve.
    If none of the above methods can solve your problem, please bring the purchase invoice, warranty card and mobile phone to the nearest KXD customer service center for testing and processing.


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