1. Ankur205's Avatar
    I have just updated my phone into windows 10.0.10586.318 via upgrade advisor .
    After the update the Galance screen, double tap to wake the screen is not working. Even the screen doesn't goes off while calling someone. It seems like my phone's proximity sensor isn't working. Is it a bug ? Have anyone faced those problem?
    My phone model is : Microsoft Lumia 640 XL.
    What to do?
    05-12-2016 02:48 AM
  2. smeerlap's Avatar
    Have you tried rebooting? I sometimes get the problem where my proximity sensor doesn't seem to work either, but rebooting always fixes it. To reboot, hold down the power and volume down buttons simultaneously until you feel a vibration. Alternatively, you can just turn the phone off and on again.
    05-12-2016 03:19 AM
  3. RumoredNow's Avatar
    Reset after Upgrade is recommended to smooth the experience.

    Settings > System > About > Reset your phone
    05-12-2016 02:08 PM

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