ever since the iOS10 update Spotify kills my battery. 2 hours of Spotify playback (Screen off, mind you) drain my battery by 46%. It is not feasible to use this service at the moment.
Here's a list of things I tried in order to fix the issue (in that order):
So, this is it. It cost my several hours to do all this and it changed nothing. At the moment, I cannot listen to music without a battery pack attached. It will just kill my battery like crazy and I rely on my phone for work. Might have to switch to Apple Music. It is worse in almost every aspect but I cannot use Spotify in its currents state.
I would be really thankful if you could provide any help.