1. Windows Central Question's Avatar
    I have a brand new Microsoft Lumia 640 - just 3 weeks old. I don't know how it happened but an hour ago, when answering a phone call, the other side could not hear me ... turned out that I was muted. So far, I could not unmute - nothing works. Does anybody have the answer how to unmute my phone? I switched it off hoping that would do the trick but no - didn't work.
    04-01-2016 10:11 AM
  2. Guytronic's Avatar
    Is the call volume turned all the way down?
    04-01-2016 10:47 AM
  3. squire777's Avatar
    Did you make sure that you are not paired to a bluetooth device?

    Try a soft reset (hold down, at the same time the power + volume down button for about 10 seconds)
    Guytronic likes this.
    04-01-2016 03:50 PM

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