1. sreeram ks's Avatar
    Iam experiencing network losses in my Lumia 640Xl dual sim. Eventhough the network is showing full range, still I cant make or get any calls. Is this any problem with Phone radio ? When i try to end any call during this time it just get stuck at screen showing ending. It is happening on a daily basis and I need to restart my phone to make it normal.
    Can any one please help me out with this..?
    10-02-2015 11:52 PM
  2. arm_1969's Avatar
    Hi, I was also facing the same problem. I set 2G as highest connection speed permanently and enable 3G only when required. Thereafter the problem did not reoccur. Settings > network+wireless > mobile+sim > Highest connection speed
    10-27-2015 05:39 AM
  3. PlaymoBg's Avatar
    Hmm I should try that. I am having connection problems with facebook messenger "Waiting for network" issue.
    What will be the difference between 2g and 3g for every day use (chat, email checking)?
    10-27-2015 08:23 AM

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