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Solved: iPhone Battery Draining Fast Even After iOS 11.3 Update

iOS 11.3 with a pack of cool new features is coming soon. It's believed that it will solve the battery and performance issues. This enticed a wide move that led to many upgrading to this iOS 11.3. However, it’s not all good news as reports have indicated iPad and iPhone batteries draining too fast after the iOS 11.3 update.

iOS 11.3 New Feature: Battery Health & Performance

As Apple promised, the iOS 11.3 adds new features to show you the battery health. You can manage your performance according the the specific battery status of your iPhone and iPad. If your battery needs to be serviced, you will also receive the recommendation.

Please note, the battery health is available for iPhone 6 and later. You can find it in "Settings > Battery > Battery Health (Beta)".

By default when you update to iOS 11.3, the performance management feature that dynamically manages maximum performance to prevent unexpected shutdowns is off. But it will be automatically on if your iPhone subsequently experiences and unexpected shutdown.

The Battery Health screen includes informations about maximum battery capacity and peak performance capability.

Maximum Capability:

Maximum capability measures the battery capacity relative to when it was new. It will start at 100% and will have lower capacity as battery chenically ages. A normal battery is designed to remain up to 80% of the original capability. You will get the notification if your battery should be replaced.

Peak Performance Capability:

The iOS 11.3 will show you one of the 5 messages under "Peak Performance Capability":
1. Performance is normal

It means, your battery condition is able to support normal peak performance and doesn't have the performance management features applied.

2. Performance management applied

It means the performance management features have been applied.

3. Battery health unknown

Due to having an improperly installed battery or an unknown battery part, your iPhone can't determine the device battery health.

4. Performance management turned off

You will see this message when you disable the applied performance management feature. But note that, this feature will be turned on when your device experiences another unexpected shutdown.

5. Battery health degraded

It means, your battery health has degraded seriously. But it doesn't indicate a safety issue. The battery can still be used.

battery health

Solutions to iPhone Battery Drain Even After iOS 11.3 Update

If you are one of the people experiencing a faster battery drain in your older iPhone or iPad model even after updating to iOS 11.3, there are a few things you can do to extend your battery life potentially. Some of them include;

1. Disable Background App Refresh Mode on your iPad or iPhone

When this mode is on, the inactive apps are updated in the background leading to a negative impact on the battery life. Disabling Background App Refresh helps reduce the iPhone battery dries too fast problem after upgrading to iOS 11.3.

To deactivate this mode, go to Settings > General > Background App Refresh > toggle OFF.
close ios Background App Refresh

2. Turn Down Brightness of the Screen

Maximum screen brightness requires a lot of energy, and this leads to draining of your battery life at a faster rate even after an upgrade to iOS 11.3.

Screen brightness can be reduced in Settings > Display & Brightness > Brightness > adjust the slider to a lower position
Turning down iphone brightness

3. Disable Location Services and Raise to Wake Mode

Some services when on, such as the GPS or the Raise to Wake Mode, significantly reduce the battery life even when your iPhone or iPad is not in use. Unnecessary apps use the GPS Services when on in iOS 11.3. On the other hand, Rise to Wake Mode when on keeps waking the screen when the phone detects slight movement, for instance, when one is walking or jogging.
To limit apps using the Location services go to Settings > Privacy > Location Services

To turn off Rise to wake mode go to Settings > Display & Brightness > Raise to Wake > toggle OFF
Disabling iphone Location Services

4. Turn on the Low Power Mode

The low power mode helps save on energy and prolong the battery life by turning off some of the unnecessary features and disables background activity. This mode can assist in resolving the faster drying of battery after the iOS 11.3 upgrade.

To activate this mode, go to Settings > Battery > Low Power Mode > Toggle to ON
iphone Low Power Mode

5. Wait for a Few Days to See If the Situation Improves

After an upgrade to a new iOS, the device, and the upgraded iOS has the task of re-categorizing and re-indexing files for a smoother and optimized running which occurs in the background or when your device is idle. These background processes cause your battery to dry up faster than usual. The solution to this is to give your device a few days for things to get back to normal after the re-categorizing and re-indexing of files and data is done

6. Clear Junk/Corrupted Files to Take the Most Advantage of iOS 11.3

In some situations, you might try all the solutions above and still, and your battery still drains up. You can try simply clean all the junk files and corrupted files, which will stop useless data draining battery from the background and stop your iPhone from unexpected shutdown.

There is no efficient way to manually clear your iPhone, but you can taka advantage of iMyFone Umate Pro or iMyFone Umate Pro for Mac which is an all-in-one iPhone cleaner. It’s a third-party application designed and developed by iMyFone as a one-stop solution to iOS issues. It tackles most issues including cleaning up all your iOS junk and temporary files thus improving iPhone performance to optimal speeds which solve the battery draining too fast problem. Other Umate Pro features include

iMyFone Umate Pro iPhone Eraser

Umate Pro iphone data eraser

8,000,000+ Downloads

Key Features:

  • 1-click cleanup mode allowing you to clean up hidden garbage and files that are still lurking on your iPhone or iPad making it run slower.
  • Ability to preview and selectively erase files that you want to get rid of
  • Erase Third-Party Apps private fragments completely and in-depth making your device faster and at the same time improving your privacy
  • Erases iPhone data and makes it 100% unrecoverable even by other recovery tools
  • Fully compatible with iOS 11.3 and receive lots of positive reviews from macworld.co.uk, Makeuseof.com , Cultofmac.com etc.

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iMyFone Umate Pro Using Steps

Step 1. Download Umate Pro on your PC and launch it
Step 2. Connect your iPad or iPhone to your PC using a USB cable and wait till Umate Pro App detects it
Step 3. Choose “1-Click Free Up Space” mode and then click on "Quick Scan" for a full space saving analysis
clean up iphone

Step 4. After the scanning process finishes, click on clean button to clean up space by erasing junk and temporary files, compress photos, delete large files and remove apps draining your power
speed up iphone

Step 5. Once done your device performance and speed increases solving the increased power draining problem after iOS 11 upgrade

Should I Upgrade to iOS 11.3?

Yes, you should upgrade to iOS 11.3 if your iPhone or iPad was in iOS 11 and later. You may know that the early iOS 11.1.2 has serious issues, and the iOS 11.2 was released in advance to solve the bugs. Users were forced to upgrade to iOS 11.2. But actually, though iOS 11.2 has solved iOS 11.1.2 bugs but it still had very poor performance. So if you have already updated to any iOS 11 version, you'd best upgrade to iOS 11.3 for better performance.

However, the answer is NO if your iOS version is earlier than iOS 11. You'd best not upgrade to iOS 11.3 because your battery will drain very fast. If there is no big issues with your current iOS version, you can just keep it and wait for a perfect iOS update in the future.