1. Bruce Milliken's Avatar
    Ok, here's the deal. Ever since yesterday afternoon I've started to get random SIM card errors. I'll unlock the phone and the error will be on the screen. It takes me doing a soft reset to get the phone to work again. Any ideas on what could be causing this?
    01-10-2015 05:26 AM
  2. MDK22's Avatar
    probably a bad / dirty (something on the contacts) sim - replacing the sim would be my first attempt to remediate. Alternatively, POWER OFF the device, remove the sim, shoot some compressed air into the slot to blow it out, then re-insert the sim.

    Phone = Lumia 1520 ??
    Carrier = ??
    01-10-2015 07:32 AM
  3. Bruce Milliken's Avatar

    Phone = Lumia 1520 ??
    Carrier = ??
    Lol sorry, 1520 on at&t
    01-10-2015 12:19 PM
  4. MDK22's Avatar
    IF :
    - you replace the sim & it still fails
    - you didn't get any moisture in there

    you probably need to return the device for service (either AT&T or MS / NOKIA). I'd check the warranty status here :

    Nokia Lumia 1520 - Warranty and repair - Microsoft - USA
    01-11-2015 09:56 AM
  5. cmsainz's Avatar
    Hi, just in case, try to liberate memory space in your phone, I had the exact same problem and now is solved and working very well.

    I've done a lot of things, like clean/replace the SIM card, rebooting several times (mine is Lumia 920) I was even looking for a new phone.

    Everybody said that I was the screen, because everytime got locked, so, try liberate some memory. My phone was FULL.

    Cheers.
    Carlos
    Harrie-S likes this.
    01-24-2015 05:13 AM

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