iOS 11.4 and iPhone 6s Battery is Horrible

As Mike suggested, please share your info with Apple

I have reported this to Apple via Feedback - iPhone - Apple.

When I had my battery replaced (3-4 days ago), the employees there said they were not aware of any battery drain issues with this update. I read many comments that apple support says they are not aware .... I suspect Apple employees are instructed to say that - "they are not aware" (even if they are aware). So, it can only help if many of us report this issue.

I am facing a similar issue, battery full drain in 52 mins of use and 6 hours of standby and battery health is at 84%!! Which is 1/3 of what I was getting before update to 11.4....

When will this be fixed, Apple??

Yeah, it's been brutal. My battery is about a year old but there's no way it should be dropping this fast. Surfing the web for a few minutes and it dropped 20%.

People over at MacRumors at mentioning it as well.

I noticed the same with my 6. But I think the iPhone has lots of activities after the upgrade to 11.4. So after twice using and charging the problem was gone without any further measures. In the german forum you can read: switch off LTE for some days. That should help as well.

Apple replaced my battery on Sunday, at the reduced price of $29.00. I don't believe this fixed the issue. My 6s was at 100% this morning, currently at 31% with on 38 minutes usage, almost 7 hours on standby. How did you get back to 11.3.1, I want to do that to see if it fixes the battery drain.

Same phone (6s) and same problem as many are having. Battery capacity is at 87%, Coconut Battery tells me less than 400 cycles. Prior to 11.4 update I could charge the phone before bed, have it at 100% and then 8 hours later it would be at 97%. Consistently. After the update it runs down to 25% or less overnight. Nothing going on app-wise, all standby time with perhaps 1 or two minutes of app activity.

Tried hard reset, etc. etc. etc.

What is temporarily working: totally disabling Location Services.

Battery performance is as it was before the 11.4 update.

This AM phone was at 100%. End of day (light use mostly) it was at 67%. Did another hard reset just for fun.

Turned Location Services back on.

I watched the battery percentage drop 1% every 10 seconds. Those are not typos. Now if the iPhone was actually burning through that much energy in so short a time it would be at least very warm. Isn't at all.

Could the 11.4 update have messed with the battery software especially the calibration software? And why is it, in my phone, tied to whether Location Services are enabled? Total mystery to me right now. And a very inconvenient one, too.

I have 6s and suffering from the battery issue since 11.4 upgrade.

Apple store has replaced my phone's battery recently, everything was OK till I updated my phone to 11.4.

Very disappointing with my decision to choose an apple phone over Samsung's.

Capacity 96%

after full charge:

Usage; 50 min

Standby: 6 hours

Battery is sitting at around 20%

by using the phone just a few more minutes the battery will be dead.

Is this kind of a way to make your clients buy a newer version of your phones !!?

Same issue on iPad Air 2 since 11.4 update. Activating airplane mode saves the battery on my end (well that’s far from a satisfying solution, specially not on an iPhone, but that can help pinpoint the issue)

Iphone 6 here had first issue with the phone since i got it like 4+ yrs ago few days after ios 11.4 battery went from 80% to unexpected shut down reset then had 40% battery health and capacity are shown high (91%) I think its ios 11.4 also.

I've had the same issue on my iPhone 6s and disabling location services seems to have fixed it for me. So far, battery life is back to normal. Though obviously that can only be a temporary fix until Apple resolve the problem.

It was almost comically bad. Using the BBC News app, which makes use of location services, I could watch the battery percentage remaining indicator ticking down in real time minute by minute. Since I disabled location services, all seems well.

Apple deleted my previous post regarding beta software so hopefully someone there is paying attention to this thread and will fix the horrible battery life many people are experiencing.

(Unless that was automated).