1. Pieter Wolff's Avatar
    I have noticed that on my Lumia 830 running WM 10 I had a 20% battery loss during the hours of 10 pm till 8 am.
    Phone was on flight mode with location off as well. The night before I left location on and the loss was 12%. Does anybody has any idea what is using all that power with everything switched off?
    09-11-2016 05:14 AM
  2. Chintan Gohel's Avatar
    which apps used that energy overnight? Can you check in settings? Use 6 hours or 24 hours period
    09-11-2016 09:50 AM
  3. Pieter Wolff's Avatar
    Usage for last 24 hours is:

    WhatsApp 31%
    Start 25%
    Microsoft Messages 9%
    Windows Defender 4%
    Others 4% or less.

    Any ideas Chinton?
    09-11-2016 02:12 PM
  4. Pieter Wolff's Avatar
    09-12-2016 07:11 AM
  5. Pieter Wolff's Avatar
    Hi Chintan, I've attached a screenshot I took this morning at 7 am showing the apps used between 1am and 7am this morning. All this time the phone was in Flight mode. During this period the total battery usage dropped by about 10%.
    All apps showed the " managed by Windows" usage. Any idea how to change this abnormally high usage?
    Chintan Gohel likes this.
    09-12-2016 07:16 AM
  6. Chintan Gohel's Avatar
    Hi Chintan, I've attached a screenshot I took this morning at 7 am showing the apps used between 1am and 7am this morning. All this time the phone was in Flight mode. During this period the total battery usage dropped by about 10%.
    All apps showed the " managed by Windows" usage. Any idea how to change this abnormally high usage?
    the only thing I can think of right now is to reinstall the apps and disable them from running in background if possible: go to settings > privacy > background apps and disable from there
    Pieter Wolff likes this.
    09-12-2016 08:55 AM

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