How To Fix Bad iPhone 6s Battery Life

iPhone 6s users keep complaining about excessive battery drain and today we want to show you how to fix bad battery life on your device.

The iPhone 6s and iPhone 6s Plus are still very capable smartphones and solid alternatives to the iPhone XS, iPhone X and iPhone 8.

While many people love their iPhone 6s, some users continue to feel overwhelmed by the device’s battery life.

Fortunately, there are some ways to fix bad iPhone 6s battery life without having to do a factory reset or go to an Apple Store.

How To Fix Bad iPhone 6s Battery Life

We want to help you fix your battery life issues and make sure you’re ready if issues suddenly arise in the future.

Apple has more iOS 12 updates on the way, and iOS updates could be the root cause of some battery life issues. So, we recommend that you memorize some of these fixes so that you are ready for all future iPhone 6s iOS updates from Apple.

The iPhone 6s’ operating system allows you to search for specific settings at the top of the Settings screen. If you can’t find anything, you can search there.

Wait Two Days

If you’ve just installed a new iOS update, give it a few days before drastically changing your settings or habits. Battery life sometimes takes a day or two to settle right after a new update is installed. Keep this in mind for future iPhone 6s updates.

Use Low Power Mode

If you haven’t started using it yet, you’ll want to start using the Low Power Mode that Apple introduced with iOS 9.

Low Power Mode allows you to extend the last 10-20% of iPhone 6s battery life without interrupting your essential services. Best of all, it does this at the push of a button. Turn it on and you will save yourself in critical situations.

If you’re in the 10-20% range, you should get an alert asking if you want to turn it on. You can also turn it on from the settings of your iPhone 6s if you need it before that. To open:

We recommend putting Low Power Mode in Control Center for easy access. Control Center is the menu you see when you swipe up from the bottom of the screen.

To do this, go to Settings, tap Control Center, tap Customize Controls and tap the green plus sign next to Low Power Mode.

Stop Closing Your Apps

You might think closing your apps will help preserve your iPhone 6s battery life, but apple says Closing apps on your multitasking screen doesn’t help.

Use Airplane Mode in Poor Service Areas

If you are in a bad service area, your iPhone 6s/iPhone 6s Plus will work hard to find a signal. This can kill your battery.

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You can do a few things to balance this out. You can turn off cellular data or disconnect all connections using Airplane Mode.

To turn Cellular Data off, you’ll want to go to Settings > Cellular > and turn it off at the top. If that doesn’t work, try using Airplane Mode. You can turn it off at the top of the Settings screen.

Monitor Your Apps

It’s easy to blame Apple and iOS for your battery life issues, but sometimes there’s a rogue app (or apps) that’s causing the battery drain.

If you notice an abnormal discharge, you’ll want to look at your app usage. If you use an app a lot, it will obviously consume a lot of battery. If you’re sure it’s not constant use that’s killing the iPhone’s battery, you’ll want to investigate.

We recommend that you familiarize yourself with the iPhone 6s battery usage tool. It’s located in Settings > Battery. It will appear under the Battery Usage heading.

This tool shows you which apps are consuming the most battery. You can check the last 24 hours and check what they did over a long period of time.

If something doesn’t seem right, you’ll want to take a few more steps. First, you can try downloading the latest bug fix update if you haven’t already. If that doesn’t work, try reinstalling the app or apps that are causing the problem.

If that doesn’t work, you’ll want to contact the developer. Or worst case scenario, uninstall it and find an alternative.

Delete Facebook

a piece of Guard He claims that the Facebook app is the cause of many iPhone battery life issues. Removing it apparently made huge gains in performance, so it’s worth a try if you’re not connected.

Limit Background App Refresh

If you have background refresh turned on, apps download information in the background, so when you restart them, new information is shown. It’s convenient but downloads can consume battery in the background. That’s why we recommend limiting it to the apps you use the most or turning it off entirely.

To grasp this feature:

It is also possible to turn it off completely, but you may not want to do this.

Turn off Location Services

Location Services (GPS) can definitely take a toll on battery life. If you have used Google Maps or Waze for a long time, you should already know this.

To find out what should use Location Services and when, go to Settings > Privacy. You can turn Location Services off entirely by turning it off, but we recommend reviewing your apps to determine what should be used and when.

You may not want some apps to use Location Services in the background and you can limit it with a simple tap.

Close Push

Like Location Services and Background Refresh, iPhone 6s’ push feature for notifications, email, calendar and more can drain battery life. You will want to manage it.

Go to Settings > Notifications to view your Push Notification settings. Here you can turn off notifications for all your apps or apps that you don’t use on your iPhone.

You might also want to think about Mail, Contacts, and Fetch Calendar settings instead of Push. To do this go to Settings > Mail, Contacts, Calendars and turn off Push.

Stop Using Dynamic Wallpaper

Animated wallpapers usually look great, but can cost you a few valuable battery percentage points. If you want to save your battery using static backgrounds.

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Manage Your Retina Display

Your iPhone’s screen can drain battery if not managed properly. The iPhone 6s and iPhone 6s Plus come with sensors that power the auto-brightness feature.

The auto-brightness feature can be useful, but sometimes it may not work properly. If you think you can easily manage the brightness of your iPhone 6s Retina Display, try adjusting it manually. It can help you save battery.

iOS makes this extremely easy. All you have to do is swipe up from the bottom of the screen to enter the Control Center. From there, use the screen toggle to adjust your screen brightness. Turn it down when you don’t need the screen to be bright.

restart iPhone 6s

If you haven’t turned off your iPhone 6s for a while, try restarting it. This simple fix has worked for us in the past.

Network Settings Reset

If that doesn’t work, try resetting your device’s Network Settings. This will cause the iPhone 6s or iPhone 6s Plus to forget their Wi-Fi passwords to make sure you have them at hand.

To do this:

reset all settings

If you’re tired of all these little fixes and nothing has worked, it’s time to take some drastic measures to fix your bad iPhone 6s battery life.

The first step you should take is to reset all your settings on your iPhone 6s or iPhone 6s Plus. To do this:

This process may take a few minutes and will force your device to forget your connections (and passwords), but it may solve your battery problems. It does not delete any files.


If that doesn’t work, you can try downgrading to earlier versions of iOS if downgrade is available and works fine on your iPhone 6s or iPhone 6s Plus.

iPhone-6s review - 13

Downgrading can be a little tricky the first time around, but once you do, you should be set. If you’re interested in downgrading to an older iOS version, you can learn about the process here.

Restore from a Backup

If none of the fixes mentioned above work, you can try restoring from a backup or completely erasing your iPhone 6s/iPhone 6s Plus from scratch.

  1. Plug it in and back it up to computer or iCloud.
  2. Turn off Find My iPhone. To do this, go to Settings, tap your name at the top, tap iCloud, go to Find My iPhone and turn it Off.
  3. Click Restore in iTunes.
  4. Follow the prompts and your iPhone will reinstall the software from scratch.
  5. Once done, click Restore from Backup to put your information back on iPhone or choose to set it up as a new iPhone.

You should only do this if nothing else works.

Import Your iPhone 6s

If you don’t want to restore or do a factory reset, you can also make an appointment to see an Apple Genius at the Apple Store. (Or any other store but we recommend Apple itself.)

Geniuses can run some diagnostics on your phone and help you fix the problem. We once bought an iPhone 5s and discovered that a swollen battery was responsible for the battery drain.

You can get another iPhone 6s or iPhone 6s Plus for free if you’re under warranty and have one year left from your purchase.

You can find a list of your local Apple Stores right here.

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