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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

Top-ranking reply

MikeMcCollister Author

Level 1

58 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

Jun 6, 2018 10:01 AM in response to MikeMcCollister

If your battery is over 2 years old it will need replacing make an appointment at Apple store.

Cost £25/$29 dollars

Cheers

Brian 🇬-1F1E7;

Jun 6, 2018 10:47 AM in response to Briansyddall

I thought maybe it was the battery too ..... had apple change it 3 days ago. New battery, same problem .... It is not the battery - something with the 11.4 update is the culprit.