1. Windows Central Question's Avatar
    I've tried everything to get phone to recognise sim, i've tried 5 different sim cards, rebooted, hard reset several times and still not recognising sim
    11-07-2016 01:32 PM
  2. gordonfink's Avatar
    This happened to my 640, and I could not find anything that might make it not recognize the card. One thing I didn't try is cleaning the contacts.

    I'll see if I can try that, and report back. You may be able to put a little rubbing alcohol on a Kleenex, and gently clean them.

    I ended up retiring the 640 due to this issue.
    libra89 likes this.
    11-07-2016 04:12 PM

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