Why is My iPhone Battery Draining So Fast After Updating to iOS 18.1?

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The release of iOS 18.1 brought exciting new features, including enhanced privacy settings, improved widgets, and performance upgrades. However, since the update, many users have taken to online forums to express their frustrations about unexpected battery drain and poor battery life. If you've noticed your iPhone struggling to hold a charge post-update, you're not alone.

Why is My Phone Battery Dying So Fast All of a Sudden on iOS?

It's normal for smartphones to experience a dip in battery life during the first few days after an update. This can be attributed to several factors, including background processes working to optimize your device and system updates that require additional power. When an operating system updates, it often re-indexes files and optimizes apps, which can lead to temporary overheating and increased battery consumption. However, if your phone continues to drain quickly over an extended period, the following tips may help.

How Do I Fix My iOS Battery Drain?

Here are ten effective strategies to help you manage and improve your battery life on iOS 18.1:

1，Disable Apple Intelligence (if enabled)

Apple Intelligence, as part of its intelligent features, may consume battery life if not used frequently. If you have enrolled in the Apple Intelligence beta program and enabled this feature, you can disable it to save battery as follows:

Note: Since Apple Intelligence is currently in beta and may only be available in certain regions and languages (such as US English in the United States), the following steps may not apply to all users.
Open the "Settings" app.
Try to find options related to Apple Intelligence within "Privacy" or "System Services" (the specific path may vary depending on the iOS version).
If you find the relevant option, turn it off.

2, Optimize Control Center and Home Screen Widgets

After the iOS 18 update, the widget feature allows for customization to match your style, which is quite appealing. Widgets provide quick access to important information, but they can also contribute to battery drain. To minimize their impact on battery life, consider the following:

Be mindful of the Control Center widgets you use. Opt for static widgets instead of animated ones, as animated widgets are continuously updating in the background, which consumes more power.
Limit the number of widgets on your home screen to only what you need. This can help reduce battery consumption by minimizing background activity.

3. Disable Background App Refresh

Background App Refresh allows apps to update their content in the background, which can consume battery life.
Go to Settings > General > Background App Refresh and set it to "Off" or limit it to Wi-Fi only.

4. Adjust Screen Brightness

Higher screen brightness uses more battery.
Lower the brightness in Settings > Display & Brightness or enable "Auto-Brightness" under Settings > Accessibility > Display & Text Size.

5. Turn Off Location Services

Many apps constantly use location services, which drains the battery.
Go to Settings > Privacy & Security > Location Services and adjust settings for individual apps or turn it off completely.

6. Limit Push Email

Push email notifications can continuously check for new messages, using power.
Go to Settings > Mail > Accounts > Fetch New Data and select "Manual" or increase the fetch interval.

7. Disable Unnecessary Notifications

Notifications can wake your device frequently, using battery power.
Go to Settings > Notifications and turn off notifications for apps that aren’t essential.

8. Enable Low Power Mode

Low Power Mode reduces background activity and optimizes performance to extend battery life.
Activate it by going to Settings > Battery > Low Power Mode.

9. Update to the Latest iOS Version

Apple often releases updates that improve battery management and fix bugs.
Check for updates in Settings > General > Software Update and install any available updates.

10， Manage Your Apps

Some apps may be using excessive battery.
Go to Settings > Battery to see which apps are consuming the most battery and consider limiting their use or uninstalling them.

11. Reset All Settings

A reset can resolve software issues that might be causing battery drain.
Go to Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings (this will not delete data, but you will need to re-enter Wi-Fi passwords).

Implementing these strategies can help mitigate battery drain issues and improve the overall performance of your iPhone.