My iPhone 5s keeps shutting down and battery running out fast

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Level 1

4 points

My iPhone 5s keeps shutting down and battery running out fast

My iPhone 5s keeps shutting down even with sufficient battery life and the battery keeps running down very fast although a new battery was installed

iPhone 5s, iOS 11.2.6

Posted on Mar 19, 2018 4:54 PM

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Answer 1

ChitlinsCC

Level 7

21,140 points

Mar 20, 2018 9:04 AM in response to colwick

Who changed the battery?

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Answer 2

Mar 20, 2018 9:10 AM in response to ChitlinsCC

That is the million dollar question

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Answer 3

Joseph_S.

Community Specialist

Mar 20, 2018 8:43 AM in response to colwick

Good morning colwick,

Welcome to Apple Support Communities! It sounds like you're having an issue with your battery performance, and the iPhone keeps shutting down even with sufficient battery. I'd be happy to help and see if we can isolate this a little more for you. Since you've had a new battery installed, this could be more of a software or settings issue.

Here's some great battery maximization tips to help increase the life of your battery: Batteries - Maximizing Performance - Apple

I'd also like to provide some insight about shutdown issues and how to prevent them. Check it out under "Preventing unexpected shutdowns"
here:
iPhone Battery and Performance - Apple Support

If you're still seeing issues, you may want to try reinstalling the iOS on your iPhone. This will overwrite your current iOS with a new version. While this doesn't compromise data, it's always a good idea to have a good backup before performing this step: How to back up your iPhone, iPad, and iPod touch - Apple Support

Once you've verified that your backup is current, follow the steps below to reinstall iOS on your iPhone from the article If your iPhone, iPad, or iPod touch won't turn on or is frozen - Apple Support . Keep in mind that this article was written for a different issue, but these steps will still be helpful.

Connect your device to a computer and open iTunes. If you don't have a computer, try to borrow one, or go to an Apple Store or Apple Authorized Service Provider for help.

While your device is connected, force it to restart.

On an iPhone X, iPhone 8, or iPhone 8 Plus: Press and quickly release the Volume Up button. Press and quickly release the Volume Down button. Then, press and hold the Side button until you see the recovery-mode screen.

On an iPhone 7 or iPhone 7 Plus: Press and hold the Side and Volume Down buttons at the same time. Keep holding them until you see the recovery-mode screen.

On an iPhone 6s and earlier, iPad, or iPod touch: Press and hold both the Home and the Top (or Side) buttons at the same time. Keep holding them until you see the recovery-mode screen.

Don't release the buttons when you see the Apple logo. Keep holding until you see the recovery mode screen.

When you get the option to restore or update, choose Update. iTunes will try to reinstall iOS without erasing your data.

iTunes will download the software for your device. If it takes more than 15 minutes, your device will exit recovery mode and you'll need to repeat steps 2 and 3.

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My iPhone 5s keeps shutting down and battery running out fast

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