1. #1
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    Screen display turned dark in Karbonn A7 after removing and reinserting the SIM

    On my Karbonn A7, after removing and reinserting the SIM, screen display has turned dark. After trying to repair it by restarting it, the problem accelerated it is making rattling noise. What should I do next? Please suggest.

  2. #2
    Android-solutions Android-solutions is on a distinguished road
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    Sep 2012
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    Re: Screen display turned dark in Karbonn A7 after removing and reinserting the SIM

    hey friend ..

    The reason for your phone's display turning dark could be that :

    - Your SIM card got damaged or corrupted
    - Your display has got damaged
    - If you have put some wallpaper or screen saver saved in the memory card then it might be possible that your memory card got corrupted and hence this error is coming
    - Your phone got affected by viruses
    - Your phone's software got corrupted

    For this problem try the following steps to solve the problem :

    - First check your SIM card by using it in another phone for any problem .. If othere phone's screen also turns black then the problem is surely in your SIM card otherwise look out for some problem in your phone
    - Format your memory card or remove it from the phone and switch off and restart your phone and then check by unlocking
    - Scan your phone for any viruses or malwares and install antivirus in it ..
    - Reset and update your phone with the new software if its available
    - Free up the internal memory of phone and then use the phone
    - For display or touch damage you have to take your phone to the service centre

    Also not only for display damage if all the above steps not solve the problem then you have to take your phone to the service centre and get it checked
    thanks

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