
The iPhone 16 is a powerhouse of technology, but some users have reported experiencing battery drain after updating iOS18. This issue can be frustrating, especially when you expect better performance and optimization from Apple’s latest software update. This article will help you understand the root cause of this problem and provide a reliable, step-by-step solution to enhance your iPhone 16’s battery life. Let’s dive in:
Understanding the Issue
After updating to iOS 18, several iPhone 16 users noticed a sudden decrease in battery life. The problem seems to stem from background processes that are unnecessarily consuming battery power. Additionally, certain new features and settings in iOS 18, if not configured correctly, can contribute to excessive battery drain.
Solution: Optimizing Background App Activity and Settings
1) Check Background App Activity

- Go to Settings > Battery.
- Tap on Battery Usage by App to identify apps consuming excessive power.
- If certain apps are using a significant amount of battery even when not in use, consider disabling Background App Refresh for them.
- Navigate to Settings > General > Background App Refresh, and toggle off apps that you don’t need running in the background.
2) Disable Location Services for Unnecessary Apps
- Go to Settings > Privacy & Security > Location Services.
- Turn off Location Services for apps that don’t need it or set them to “While Using the App.”
3) Optimize Display Settings
- Reduce screen brightness or enable Auto-Brightness from Settings > Accessibility > Display & Text Size > Auto-Brightness.
- Use Dark Mode by navigating to Settings > Display & Brightness > Dark.
4) Turn Off Push Email
- Go to Settings > Mail > Accounts > Fetch New Data.
- Set the Fetch option to Manually or adjust the frequency to reduce battery consumption.
5) Reset All Settings (If Necessary)

- If the issue persists, consider resetting all settings.
- Navigate to Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings. This won’t delete your data, but will reset system settings like Wi-Fi passwords and wallpaper settings.
Preventive Measures
- Always keep your apps updated as developers often release patches to fix compatibility issues.
- Avoid using intensive apps while charging, as this can increase battery temperature and reduce battery health.
- Monitor your battery health regularly via Settings > Battery > Battery Health & Charging.
Conclusion
While the iPhone 16’s battery drain after updating iOS18 is frustrating, following the above steps will significantly enhance battery performance. Apple is also expected to release software patches to address this issue, so keeping your device updated is essential.
You can also read:
iOS 18: The Next Generation of Apple’s Mobile OS
IOS 18.3.1: Whats New On Latest IOS Update?