1. Windows Central Question's Avatar
    Good morning to all
    Iíve changed my Lumia 630 DS to a Lumia 640 XL DS not lte.
    Iíve used a Nanosim card for my 3g/2g flat rate and another one from the same operator to make calls.
    Iím under WP 8.1 and all is updated.
    For me, both sim cards have stopped. In the cellular menu +sim, I cannot find my sim cards.
    Indeed, itís displayed in grey ďSim 1 settingĒ , sim card one, and itís the same for im 2.
    I canít put my phone in plane mode, and I have then to restart my device. It works fine for a time andÖ and restarts again.
    Iíve changed my internet sim card, but the problem persists. Iíve permuted the Sim cards,,, itís the same.
    09-22-2015 05:00 PM
  2. roi_noir's Avatar
    sorry I forget to add :
    " What I must do ? change the device ? the sim cards ? or other thing ?

    Thanks "
    09-22-2015 05:26 PM

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