1. Windows Central Question's Avatar
    about two month my lumia 520 restart when i work with it.
    but about 3days ago suddenly after restart my phone shows this error
    "unable to find a bootable option"
    i show my phone to shop but i couldn't repair that
    what is this?
    is windowsphone this?? bad?
    what should i do??
    10-07-2015 11:01 AM
  2. realwarder's Avatar
    It is bad. You have to have a new mainboard. You cannot fix with re-flashing. Only hardware replacement will fix.
    10-07-2015 11:27 AM

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