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Re: Battery mileage down to 1/4 in a year?

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Den 2016-11-13 skrev Martin Schöön <martin.schoon@gmail.com>:
> A year ago I got my first smart-phone at work, a Samsung S5 mini.
> Some of you may remember me asking for advice on apps for work.
> This post is not about what I opted for and how they worked. This
> is about battery life.
>
<snip>

Here is a follow-up. But first of all thank you all for your input.

Last Friday I had the phone fully charged before leaving for home.
It spent the following 46 hours in ultra energy save mode. When I
checked on it late on Sunday afternoon the battery was almost flat.

I checked the logs for what activities had drained the battery: None.
Android was the only ting showing up.

Poking around some more I found an eye-catching amount of data had
been sent and received. No, I don't remember how much.

I topped up the battery again and put the phone back in ultra energy
saver mode *and* flight mode. When arriving at work on Monday morning
I found the battery meter still read 100%. At the end of the working
day it was still in good charge. Yes, it had been in full working
mode and in use throughout the day. I put it back in ultra saver + 
flight mode when leaving for home. Tuesday was a repeat of Monday.

Late in the afternoon of Wednesday I had to charge the battery. So
almost three days instead of 1+ day on a charge and I felt battery
drain rate was down in day time use.

Next I tried ultra energy save + no data traffic outside working hours.
I charged the batteries again this evening: 2 days on a charge.

So, something drains the battery in secret and most of this is down
data traffic. I have yet to try out the tactic of temporarily 
uninstalling apps.

/Martin

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Thread

Battery mileage down to 1/4 in a year? Martin Schöön <martin.schoon@gmail.com> - 2016-11-13 10:39 +0000
  Re: Battery mileage down to 1/4 in a year? Andy Burns <usenet@andyburns.uk> - 2016-11-13 11:10 +0000
  Re: Battery mileage down to 1/4 in a year? Ed Cryer <ed@somewhere.in.the.uk> - 2016-11-13 12:52 +0000
  Re: Battery mileage down to 1/4 in a year? Arno Welzel <usenet@arnowelzel.de> - 2016-11-13 14:37 +0100
  Re: Battery mileage down to 1/4 in a year? Piso Mojado <conserje@trapeador.net> - 2016-11-13 10:13 -0500
    Re: Battery mileage down to 1/4 in a year? Nigel Wade <nmw@local.domain> - 2016-11-14 09:27 +0000
  Re: Battery mileage down to 1/4 in a year? "(PeteCresswell)" <x@y.Invalid> - 2016-11-13 10:50 -0500
  Re: Battery mileage down to 1/4 in a year? Martin Schöön <martin.schoon@gmail.com> - 2016-11-18 21:31 +0000
    Re: Battery mileage down to 1/4 in a year? "Carlos E.R." <robin_listas@invalid.es> - 2016-11-19 00:44 +0100
    Re: Battery mileage down to 1/4 in a year? Chris <ithinkiam@gmail.com> - 2016-11-21 18:18 +0000
      Re: Battery mileage down to 1/4 in a year? M.L. <me@privacy.invalid> - 2016-11-21 14:45 -0600
        Re: Battery mileage down to 1/4 in a year? "Carlos E.R." <robin_listas@invalid.es> - 2016-11-22 15:04 +0100

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