iPhone Battery Drain Faster in iOS 15? Fix

If you are experiencing battery drain issues with your iPhone after updating to iOS 15, check out some possible fixes below.

While iOS 15 comes with great features, there are a number of issues to contend with, including a tendency for iPhone battery to drain faster after iOS 15 update. If you recently upgraded to iOS 15, you may be wondering, “why is my iPhone battery draining so fast?”, “why is my phone dying so fast?”, or even wondering, “is it time for an iPhone battery replacement?” Before you start scratching your head, learn how to fix battery drain issue on your iPhone running iOS 15. Even if you have an iPhone 6S that needs better battery life, the tips below can help. If you have the iPhone 7 Plus, battery drain should get better overall. If you just purchased a new iPhone, don’t worry; iPhone 12 battery life isn’t terrible! Even new iPhones like the iPhone 11, 11 Pro, and 11 Pro Max can have battery life problems because of Apple’s default settings. Trying a few troubleshooting tricks will do wonders for improving iPhone battery life. Regardless of the model of your device, whether iPhone 12, 12 or 12 Pro Max, fixing battery drain is a top priority for every user. Let’s find out why your phone is dying so fast!

See also: 30+ Best iOS 15 Tips and Tricks to Try First

There are numerous factors that can cause poor battery life on iOS 15 and both the software and hardware aspects can be involved. In this article, we will provide tips on how to fix battery drain issue that users are facing on their iPhone running iOS 15. Continue reading to learn why battery draining issue happens to iPhone running iOS 15 and what you can do to resolve the issue.

Troubleshooting iOS 15 battery problems

The following steps will help eliminate common software-related factors that can trigger rapid battery draining problem after updating to iOS 15. Among the usual triggers to eliminate are rogue apps, invalid settings, bad updates, and corrupted system files. Unless you already have figured out the underlying cause, there is no other way but to go through a trial-and-error process. Just try these troubleshooting steps before visiting Apple Store.

Solution #1: Force restart your iPhone

Rogue apps that caused rapid iPhone battery drain can all be stopped by force restarting your iPhone.

A force restart is simulated battery removal process that is used to end all running apps and system processes including those that have been corrupted and trigger system problems like battery drain. Simply follow these steps to force restart your iPhone:

1. Quickly press and let go the **Volume Up** button.
2. Quickly press and let go the **Volume Down** button.
3. Press and hold the **Side** button and release when you see the Apple logo on the screen.

Wait for your iPhone to finish rebooting and then use it as you normally do to test how long the battery could last. 

Solution #2: Update third-party apps.

Installing pending app updates can also help fix iOS 15 battery drain problem if third-party apps are the main trigger. Apps that you’ve downloaded and installed on your iPhone also need to be updated on a regular basis for them to remain optimized, bug-free and stable. If you haven’t enabled the auto-update feature on your iPhone, then you will need to update them manually. Simply follow these steps:

1. Start the **App Store** app on your iPhone.
2. Tap on **Today** tab located at the bottom of the screen. 
3. Tap on your **profile** icon (Apple ID header) on the top right corner of the display. You will see the account details showing up on the screen. 
4. Scroll down to find the Available Updates section. 
5. Tap on **Update** button next to the name of the app to install individual app updates.
6. In case multiple app updates are available, tap **Update All** to install all updates at once.
This process is only applicable if your iPhone is connected to the internet and has enough battery life to complete the update installation. To avoid possible power interruptions during the update, plug your iPhone to a power outlet and charge it while updating. 

Solution #3: Install iOS update

Another update that you should keep in mind to implement is the periodic firmware update or iOS update released by Apple. These updates not only deliver new features but also includes some dedicated patches to get rid of widespread system errors and resolve existing glitches plaguing iOS devices. If the iOS 15 battery drain problem on your iPhone is caused by some system bugs or malicious software, simply install the latest version of iOS 14. Please follow these steps:

1. Launch the **settings** app on your iPhone.
2. Go to **‌**General.
3. Tap **Software Update**.

You will see a notification that contains system details and requirements if a new iOS version is available. Before downloading the update, be sure to read and review the release notes. Also, make sure to back up your iPhone data for safekeeping.

After the update is completely installed, reboot your iPhone to ensure that all new system changes and bug fixes are properly implemented.

Solution #4: Remove suspicious bad apps to fix battery draining issue in iOS 15

If your iPhone’s battery started to drain fast after installing an app or content, there’s a high chance that the recently installed ap is the offender. You can rule this out by deleting the suspicious app from your device and see if that solves your iOS 15 battery drain issue. Just follow these steps to delete the app from your iPhone:

1. Navigate to your iPhone’s Home screen to get started.
2. Locate the app you’d like to delete or uninstall from your iPhone. 
3. Tap and hold on the app icon for a few seconds. Keep holding the app icon when the pop-up menu appears and then release when the app icon starts to jiggle.
4. Tap Delete from the prompt that appears. 
5. Repeat the steps to delete other apps that you’d like to uninstall.
6. finally, tap Done located at the top-right corner of the display to exit the wiggle mode.

If the battery drain issue stops after deleting the app, then you’ve successfully eliminated the main culprit and thus, the problem is fixed. Otherwise, try the advanced solutions below.

Solution #5: Reset all settings on your iPhone.

As we’ve already mentioned, system settings that are not properly configured can also cause battery drain problems to occur, especially if those settings inflicted some sort of conflicts to your iPhone’s power system or battery system. You can rule this out by resetting all settings on your iPhone. This reset removes all your system preferences including your customized options but does not delete any of your data. Please follow these steps:

1. Start the **settings** app on your iPhone.
2. Go to **‌**General.

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3. Scroll down and tap on Transfer or Reset iPhone.
4. Tap **reset**
5. Select **Reset all settings** from the available options.
6. If prompted , enter your iPhone’s **passcode** to continue.
7. Confirm your action by tapping the option to reset system settings on your iPhone.

After the reset, your iPhone reboots on its own and then loads up the default values and options. To use necessary features, you will need to re-enable them one at a time.

Last resort: Erase your iPhone and restore its factory default settings.

If you are still experiencing iOS 15 battery drain problems, you may want to factory reset your iPhone. What you’re dealing with could be a complex system error that requires a full system wipe out to be obliterated. In this case, I recommended the use of iTunes to manually
erase your iPhone on a computer. This way you’ll be safe from unexpected shutdown which could be caused by battery drain. Just be sure to use the original USB cable or Lightning cable, so you won’t have any trouble connecting your iPhone to the computer. Also don’t forget to back up all your important files beforehand to prevent losing them permanently. Once you’ve got everything set, follow these steps to start wiping your iPhone data.

1. Open the **iTunes** app on your computer, if you haven’t already.
2. Build a connection between your iPhone and computer with the original USB cable or Lightning cable.
3. Wait for iTunes to recognize your device and when it does, an iPhone’s icon will appear in iTunes.
4. Click to select your iPhone when it appears in iTunes.
5. Now, navigate to the **Summary** section.
6. Click on the Restore [iPhone] button.
7. If asked, click on the **Restore** button again to confirm your decision.

In the case where the battery problem started after installing a new iOS version to your iPhone, restoring in recovery mode can be a better option. Follow these steps to restart your iPhone in recovery mode:

1. Build a connection between your iPhone and computer using the original USB cable or Lightning cable that came with it.
2. Launch iTunes on your Windows or Finder on your Mac running
   macOS Catalina.
3. While your iPhone is connected, quickly press and let go the Volume Up button. 
4. Next, quickly press and let go the Volume Down button.
5. Next, press and hold the Side button until you see the Connect to iTunes or recovery mode screen.
6. Do not release the button if the Apple logo appears as you’ll need to boot your phone in recovery mode.

Follow the on-screen prompts to restore and fresh install the firmware on your iPhone through iTunes. You can also restore your iPhone from a previous backup saved on your computer through iTunes.

Still experiencing the same iOS 15 battery drain issue on iPhone?

At this point, you may want to take your iPhone to the nearest Apple Store to be serviced, . Even if your iPhone is new, it’s still possible for it to acquire some sort of damage on any relevant components, likely from factory defects. You can also escalate the problem straight to your iPhone provider in case you’d like to ask for a new unit replacement. This is a must-do if your iPhone is still covered by warranty.