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Is iOS 11.4 Draining Your iPhone's Battery? You're Not Alone (zdnet.com)
If you've noticed that the battery life on your iPhone is not what it used to be, it's likely that the problem isn't with your iPhone or some setting or app, but a bug in iOS 11.4. From a report: Apple's support forum has been blowing up with complaints from users that battery life has been seriously curtailed since installing iOS 11.4. The problems seems to be reasonably widespread and affects the iPhone line up across the board. I've seen this issue on the iPhones that I use. It seems to be accompanied by the device running unusually hot.
iOS 11.4 is draining my battery... and I don't even have an apple.
"That's the way to do it" - Punch
This is a minor fix 11.3 => 11.4, and yet that battery drain issue is back from the dead, again? Either Apple has some main dev team problem (which it has in a way), or maybe the new fw (os) install reset some settings, like "backup app refresh" set to true for some apps which would cause that issue.
Slashdot, fix the reply notifications... You won't get away with it...
It's probably her "Tinder" app. Ask her about it tonight.
From what I recall reading on Slashdot, this issue is raised nearly every time there's an upgrade to iOS and the reason is that while the basic upgrade happens right away to ensure usability as quickly as possible, there's a ton of stuff that happens in the background for some time to come. It's the background activity that appears to shorten the battery usability. Once the background activity is done, back to normal, more-or-less.
Or so I've read. Personally, I don't own an Apple device of any sort so I can neither confirm nor dispute. Don't blame the messenger.
Put my fist through my alarm clock with its ding-dong death inside my ear. - The Blackjacks.
Based on my own experience, iPhones are not born equal. Anyway I'd check the "background app refresh" settings and unset most of them...
Slashdot, fix the reply notifications... You won't get away with it...
The scare quotes should have been round "her".
Confucius say, "Find worm in apple - bad. Find half a worm - worse."
Settings > Battery > she can see what is eating it. With it needing charged that often, though, it probably just needs the battery replaced.
Based on my own experience, iPhones are not born equal. Anyway I'd check the "background app refresh" settings and unset most of them...
I started doing this years ago, and have never had any battery issues. 95% of the apps on my phone should be doing nothing if I am not using them.
- Vincit qui patitur.
Couldn’t they just slow the phone down a bit so it doesn’t use as much battery power? This is a no-brainer.
Those damned homophones are the cause of all the problems in this country, I'm tellin' ya.
Cleverly disguised as a responsible adult.
This is the 100th time Apple has released a patch that screwed up certain models. They're incompetent. I see a pattern here. They're going to keep doing it! BUY A DIFFERENT BRAND, YOU IDIOTS!
While Android wisely avoids the problem by almost never having Updates at all...
I switched from 5Ghz wifi to 2.4 and that seemed to help but didn't completely eliminate battery drain.
Switching to 1.2 GHz should help even more. :-)
It must have been something you assimilated. . . .
In Settings, disable "Android Emulation Mode".
I would like to complain to the moderators of the site acting on this post, which clearly should have been moderated as "Flamebait" or "Unfunny" instead of "Off-Topic", as it was clearly on-topic.
Thank you for your hard work in correctly sorting out the trash bins of Slashdot.
"There is more worth loving than we have strength to love." - Brian Jay Stanley
As a developer who has written drivers for DSP and other low level stuff, I can say with great certainty that this is definitely an iOS bug. The problem did not occur at all before the 11.4.0 update. As soon as that update dropped it happens without fail for the past 5 weeks. It's not background apps. I can close all apps, charge to 100%, unplug when I go to bed and in the morning it's 20%. Something is getting stuck in a loop or maybe some chip is getting bad commands. The phone gets physically warm so something is running free.
No doubt everyone that always used their iPhone a lot is going to jump in an say "me too" when their problem is that they're just using their phone a lot. So naturally that has created enough doubt to muddy the diagnosis. And Apple has not acknowledge the bug so there are a lot of responses regarding how to turn things off to improve battery. But, again, that is NOT the problem. The problem is something is running uncontrolled.
There are many theories as to the cause. Many have to do with something related to WiFi. The only pattern that I have seen is that if I shutdown and restart, the problem goes away for a while. But as soon as I use the phone for whatever reason, it comes back. It might take 6 hours. It might take a day. But eventually it always comes back and then it's stuck draining battery unless I reboot.
Note that iOS 11.4.1 was just released yesterday. But the release notes say nothing about battery anything so it remains to be seen if they have fixed it. It is discouraging that they have not acknowledged it. It makes you wonder if they're actually having trouble reproducing it. But that would almost unbelievable since they could just install 11.3 and compare. Of course we can't do that because 11.3 isn't signed anymore so it cannot be installed. Obviously it's not a trivial CPU loop or they would have spotted it quick. Running the CPU in debugging mode probably suppresses it or again they would have spotted it quick.
I'm starting to have doubts about Apple. Steve Jobs was a prick but maybe that's precisely why he was so successful.