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The Messages app seems to be a major cause of heat and battery drain for me due to errant background activity. I've created a separate thread about this issue here: https://forums.macrumors.com/threads/imessage-causing-battery-drain-on-ios-10.1995600/
Battery Life: check internal battery statistics & wear level by Robert Tkotzyk
https://appsto.re/us/zeBBab.i
No, Battery Life is an excellent app - there is bound to be some variation. That said, I think Apple have tweaked some battery info - this two other apps - Lirum info pro and Battery Health (latter had to be pulled from the app store if you search here thwere are some threads on it) no longer have direct access to some internal info - like charge cycles - they had before.
Atrocious battery life on my 6s. I turned off background apps updating and within the process of using my phone I notice the battery tick down as much as 5 percent even with the screen dim and me hardly doing anything.
I wish I could downgrade. Nothing but issues with this. I had the OTA update bug and had to redownload it via a computer through iTunes and now my battery is completely useless as a mobile device.
I wish I could downgrade. Nothing but issues with this. I had the OTA update bug and had to redownload it via a computer through iTunes and now my battery is completely useless as a mobile device.
You can downgrade... Curious what CPU do you have? TSMC or Samsung? You can look at it in: https://itunes.apple.com/us/app/system-status-lite-battery/id407752428?mt=8
Unlikely. I got the GM since last week (my friends as well) and our phones need to be recharged twice a day (with normal usage). Every beta was way better than this final version in terms of battery life. I would advise to downgrade back to to iOS 9 as long as you still can when battery is important to you (although iOS 10 is great). It seems that somewhere in the system there is a bad bug which causes insane battery drain. I will wait for the next update which hopefully eliminates this bug.
The first few days with a new OS are always mixed in battery life. I always do a Reset All Settings after a major upgrade and while it is a small inconvenience to set my wallpapers and ringtones, and app notifications again, it's worth it in the long run.
It's just under 24 hours, but I have not seen any difference between my 9.3.5 iPhone 6 and my 10.0.1 iPhone 6.
a friend at work was showing me the rapid battery drain on his 6s on iOS 10. My 6 Plus was fine. I hope he wipes the iPhone and does a clean install tonight.
Just for info. iPhone 5s, 10.0.1GM, battery normal. 30min usage + 9hr standby, still has 97% left. As you can see, everything is on Wi-Fi only (even the Apple Watch connection is via Wi-Fi). That 30min including drawing in the message app.
Yeah. The reason I ask is because mine is still collecting logs which, I suppose in theory, could be causing battery drain.
Turning off Raise to Wake increased my battery life back to what it was. I'd recommend turning it off unless you have an iPhone 7
It's not an issue with the raise to wake function. Battery life was absolutely fine on the build before the GM/Public Release.
There's definitely something up with this build and you'll just have to wait until they fix it.