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iOS 11.4 and iPhone 6s Battery is Horrible

Ever since I updated to iOS 11.4, the battery life on my iPhone 6s has been horrible. with iOS 11.3.x on a light day, my battery level would be at about 90% at noon. Over the past two days, which were light usage, my batter level at noon was about 70%. I've rebooted my phone and it did not make a difference. At 8:00 this evening my batter was down to 13%.

The only change is that I made is that I switched to iCloud Messages. I did that on my iPad Air 2 as well but the battery life on that is fine.

Battery Health reports that my battery is at 99% capacity.

Does anyone else have horrible battery life on an iPhone 6s?

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

Thanks,

Mike

iPhone 6s, iOS 11.4, null

Posted on Jun 1, 2018 5:19 PM

Best reply

MikeMcCollister Author

Level 1

57 points

Posted on Jun 3, 2018 9:48 AM

I chatted with Apple support on this and I was told that my battery needs to be replaced. My battery is less than 9 months old. The know nothing about this problem.

I then went back to 11.3.1 and my battery life is great again.

I hope that this is fixed in 11.4.1.

be sure to report this to Apple.

Mike

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88 replies

Jul 6, 2018 6:57 AM in response to MikeMcCollister

After about 2 years use battery on iPhone 6s will need replacing make an appointment at Apple store.

Cost £25/$29 dollars

Cheers

Brian 🇬-1F1E7;

gswaan

Level 1

4 points

Jul 6, 2018 7:13 AM in response to Briansyddall

Everybody knows about the battery replacement, Brian. Clearly the issue is with the software.

Jul 6, 2018 7:20 AM in response to Briansyddall

OMG Brian - we all know about the battery message you keep sending. It is not the battery! It is a software issue! If you are going to continue to post, please post something useful.

Jul 7, 2018 2:05 AM in response to shannonfromchampaign

I totally agree with you 🙂 I think the same

Jul 7, 2018 3:34 PM in response to MikeMcCollister

Until when apple will care about this problem. Really desperate bring powerbank everywhere just because this phone is only one daily driver phone.

Jul 10, 2018 10:30 AM in response to MikeMcCollister

Thank you Mike. There may be hope! Has anyone else tried the .1 update to 11.4?

kk86my

Level 1

9 points

Jul 11, 2018 6:09 PM in response to MikeMcCollister

I am using iPhone 7 Plus. The battery drain problems have not been fixed with iOS 11.4.1.

Jul 12, 2018 7:17 AM in response to MikeMcCollister

Updated to latest iOS 11.4.1 got better, stable battery life and great performance.

Jul 14, 2018 5:02 AM in response to MikeMcCollister

Got update to 11.4.1 and battery replacement, but until now battery still draining... really dissapointed when chat to support he asked me to do some battery replacement.