1. Windows Central Question's Avatar
    my lumia 640 xl, lte, is showing strenght signals , but whenever i am calling, suddenly network stuck down and it shows call dropped.
    12-07-2015 01:46 AM
  2. Laura Knotek's Avatar
    Hi and welcome to WindowsCentral.

    Have you contacted your carrier to get a new SIM? When I've had connectivity issues, getting a new SIM from my carrier solved those.
    12-07-2015 01:48 AM

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