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iPhone and iPadHow to Fix iOS 17/18 Battery Drain Issue

How to Fix iOS 17/18 Battery Drain Issue

By Hally | Last Updated

Many iOS 17/18 users have reported issues with rapid battery drain, and it can be incredibly frustrating, especially when you're on the go. Fortunately, there are several fixes you can try to restore your iPhone’s battery life. In this guide, we will show you effective solutions for fixing iOS battery drain fast on your iPhone.

How to Fix iOS Battery Drain Issue

Part 1--Why the Battery Drain Fast after Updating to iOS 17

Why your battery draining so fast after updating to iOS 17/18? There are many factors that can lead to this issue:

1. Incompatible apps: As iOS 17/18 is new, the apps in your iPhone have not been appropriately updated. As a result, they cost more resources and battery power than before. Thus, the battery is draining faster.

2. Background Apps: Apps running in the background may be using more battery than you realize.

3. Location Services: Many apps constantly use GPS or location data, which can quickly deplete your battery.

4. Battery health: Over time, battery health can degrade, causing quicker drain.

5. System bugs: the new iOS version comes with new features and new bugs. The system bugs in iOS 17/18 may cause the battery drain issue. But always the bugs would be fixed in the coming updates.

Part 2—How to Fix iOS 17 Battery-draining Fast Issue

You can try the following useful methods to solve the iPhone battery drain issues on iOS 17/18. All these methods can apply to other iOS versions, such as iOS 16/15/14/13.

Method 1: Manage the apps

You can go to update the apps or turn off the app that drains the most battery. Besides, remove the apps running in the backgraound to avoid the battery drain fast. Also, you can disable Background App Refresh which allows apps to update their content even when you're not using them.

Option 1: Update the apps

When a new iOS version is released, all software developers will optimized the app and make it compatible with the iOS. Therefore, you can access App Store and tap your account. After that, tap Update All to update the apps.

update apps in App Store

Option 2: Manage Background App Refresh

Step 1: Access Settings > Battery. Then scroll down to check the battery usage by app. Here you can see how much battery each app has consumed in the last 10 days.

check battery usage by App details

Step 2: Go back on Settings screen and tap General > Background App Refresh to check the all apps that can refresh in the background. After that, you can disable the apps that are using the most battery.

disable app in background app refresh

Option 3: Close the non-Apple apps completely

If you have non-Apple apps installed on the iPhone, you can leave them completely close during the day. When you need to use it, you can open and close it. It is not recommended to keep it running in the background.

Method 2: Turn on the Low Power Mode

The lower power mode can reduce the background activity so that you can use the iPhone in a longer time. You can access Battery >Low Power Mode and enable this option.

enable low power mode

Method 3: Turn Off Unnecessary Location Services

Location services are another major battery drainer. To prevent apps from constantly tracking your location, turn off unnecessary location services: access Settings > Privacy > Location Services and toggle off the unnecessary locations service for some apps. If possible disable Share My Location service for some apps to extend the battery life.

manage location service

Method 4: Perform a Simple Reset

As this battery drain issue happens after updating, you can reset all settings to configure your iPhone from scratch.

Step 1: Open Settings> General> Transfer or Reset iPhone.

Step 2: Tap Reset > Reset All Settings. And if it asks for the screen passcode, just enter it to confirm the action.

choose reset iPhone from settings

Method 5: Fix iOS Battery Drain Issue with iSunshare iOS Repair Genius

If this issue is caused by the system error or bug, iSunshare iOS Repair Genius can help to fix the bugs and get your iPhone back to normal. This iOS system repair software is compatible with all iPhone models and iOS versions. More importantly, there is no data loss after the common iOS system issues get fixed.

Step 1: Get iSunshare iOS Repair Genius on your PC or Mac. After that, open the software and choose System Repair.

choose System Repair

Step 2: Choose Standard Mode to proceed.

choose Standard Mode

Step 3: Connect your iPhone to the computer and then hit Start button. Then click the Next button on the following screen.

click Start button

Step 4: Click the Download button to get the firmware package before repairing the system error. It is possible to change the save path of the firmware package by clicking the Select button.

click Download button

Step 5: Click the Repair button to repair your iOS version after the downloading process ends.

click Repair button

Minutes later, the repair process is completed. Your iPhone is updated to the newest iOS version. And your iPhone reboots automatically. Now the battery drain issue is solved.

repair iOS 17 system successfully

Method 6: Get a New Battery on the iPhone

How can I know I need to get a new battery for my iPhone? If you have used the iPhone for at least 4 years, you can take this suggestion into consideration. You can check the maximum capacity to check whether the battery is in good heath or not.

Step 1: Head to Settings> Battery Health & Charging.

Step 2: Then you can get the percentage of the Maximum Capacity. If it is below 80%, it may result in battery drain issue. You can go to the Apple center to get a new replacement.

check battery maximum capacity

Method 7: Optimize the iPhone Settings

To prevent your iPhone from the fast battery draining, you can adjust your screen brightness and use Wi-Fi always. You can access Settings> Accessibility >Display & Text Size to enable Auto-Brightness. And the Wi-Fi connection consumes less power than the cellular network. So make your iPhone connected to Wi-Fi at the most time if possible.

turn on auto brightness

Part 3—FAQs about iOS 17/18 Battery Drain

1. What apps use the most battery on iPhone?

Common battery-draining apps include social media, streaming services, GPS-based apps, and games. Check the Battery section in Settings to see which apps use the most power.

2. Is it possible to downgrade the iOS to resolve the battery drain fast issue?

No, the downgrade may help you get a stable iOS. It makes little difference to the battery drain fast issue which is not caused by the system errors.

3. How can I save my iPhone battery life?

To improve battery life, you can turn off background apps, disable unnecessary location services, reduce screen brightness, and ensure your iPhone is running the latest software. You can check the tutorial on this article.

Conclusions:

It is annoying when your iPhone drains so fast after updating to iOS 17/18. But you can follow the useful methods above to resolve the issue. iSunshare iOS Repair Genius can help to fix all your iOS system issues on the iPhone, such as battery issues. You can have a try!