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I'm on iOS 10.3.3 on my 6s+ and YouTube is killing the battery. Was between 40-50% and 15 mins later, it went down to 2% and I think this started with the recent app update.

Guess I'll have to wait for the app to be updated.

Were the videos HD? You have to pick a lower resolution. No app update can fix it, if you want to play HD videos. iOS devices only have hardware support for mpeg4, not vp9.

You have to pick non HD videos to get mpeg4 format videos.
 
Were the videos HD? You have to pick a lower resolution. No app update can fix it, if you want to play HD videos. iOS devices only have hardware support for mpeg4, not vp9.

You have to pick non HD videos to get mpeg4 format videos.

No, the videos were not HD. This is what it shows against the videos

IMG_0625.jpg
 
its a problem google still didnt fix with ios 11.2, it goes up & down on my 7 plus, gets hot & drains then cools & stops randomly sometimes all within the same video. never had a drain issue like that before, but only youtube is doing it. even low power mode doesnt mitigate it.
 
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I used the youtube app this morning on my 6s plus just to test again and not only it drain battery, it literally KILL the battery. I was at 73% and after 15 mn videos my phone was at 10% and my phone was really hot.

It is a major issue, so major that Apple should refuse the app on the app store until a fix comes.
 
The update to the app which was pushed last night (Sunday in UK) seems to have improved things, streaming 10 mins of 1080p video used 4% of battery (iPhone 7+ iOS 11.1.1 on wifi with BT audio) and didn't make the phone feel like it was about to explode like it did last week.

Still not brilliant though. One step forward, two steps back.
 
The new YouTube update made a huge difference in battery life for me. Where it used to drain about 30% an hour while streaming 1080p, now it drains less than half of that.
 
Yeah I think the most recent update on YouTube improves things significantly. There is no mention of bug fixes in the change comment but they must have done something to plug a few leaks.
 
There is an update for YouTube on the App Store

The new YouTube update made a huge difference in battery life for me. Where it used to drain about 30% an hour while streaming 1080p, now it drains less than half of that.

Yeah I think the most recent update on YouTube improves things significantly. There is no mention of bug fixes in the change comment but they must have done something to plug a few leaks.

Apple pundits on YouTube are saying that it does make a difference. :)
 
For me the battery drain issue was fixed since the last update maybe 2 weeks ago. Glad if they improve it with a new update.
 
That battery drain issue cannot be fixed as it’s hardware related. iPhones only have support for mpeg. That update is nothing but a way to give an impression that it’s fixed.
 
That battery drain issue cannot be fixed as it’s hardware related. iPhones only have support for mpeg. That update is nothing but a way to give an impression that it’s fixed.
So that's basically based on nothing actual aside from just a made up opinion?
 
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That battery drain issue cannot be fixed as it’s hardware related. iPhones only have support for mpeg. That update is nothing but a way to give an impression that it’s fixed.
Then how do you explain that last month my battery drained like crazy when watching youtube videos (75% to 20% in 20 minutes + phone very hot) and now youtube app is back to normal since the last update? It's not placebo effect at all.
 
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