How to Fix iOS 17.3 Battery Drain on iPhone or iPad

This page discusses the causes and solutions of iOS 17.3's rapid battery drain. First, we'll look at what's causing your iPhone battery to drain. And then there are quick remedies for iPhone battery draining.

The public has just been able to download iOS 17.3. Although iOS 17.2 has many upgrades and new features, your battery life may not be the greatest. I will thus demonstrate how to address power drain on iOS 17.3 upgrades in this post. Given the fact that iOS 17.3 is meant to enhance iOS 17, several people are experiencing problems with battery depletion, thus it may not have the desired effect for everyone.

The battery drains so fast after ios 17.2.1 to 17.3 at iPhone 12 mini, it was a nightmare at ios 17.2.1 about battery consumption, but now after 17.3 it wastes battery even when the screen is off, and background services closed, i can’t understand why it is so inefficient after those upgrades, nobody knows how to fix it for real, my batt is at 85% life span, half morning use and running at 60% after 2 hours normal use, before should be at 80-85% use.

Also Read: How to Downgrade from iOS 17 on iPhone and iPad

11 Effective Fixes for iOS 17.3 iPhone Battery Drain Issues

How to Fix iOS 17.3 Battery Drain on iPhone or iPad

Here are some general tips to address battery drain on your iPhone running iOS 17.3 updates:

  • iPhone: iPhone 15/Plus, iPhone 15 Pro/Pro Max, iPhone 14/Plus, iPhone 14 Pro/Pro Max, iPhone 13 mini, iPhone 13, iPhone 13 Pro/Pro Max, iPhone 12 mini, iPhone 12, iPhone 12 Pro /Pro Max, iPhone SE 2/3, iPhone 11, iPhone 11 Pro/Pro Max, iPhone XS, iPhone XS Max, iPhone XR;
  • iPad: iPad Pro 5/4/3/2/1 (12.9), iPad Pro 5/4/3 (11), iPad Pro 2 (10.5), iPad /iPad Pro/iPad 2018/ (9.7), iPad 2019, iPad 9/8, iPad Air 5/4/3, iPad mini 6/5;

Step 1: Update iOS

Make sure your iPhone is running the latest iOS version. Apple often releases updates that include performance improvements and bug fixes.

Step 2: Check Battery Usage

Go to Settings > Battery to see which apps are consuming the most battery. If you notice any particular app using a significant amount, consider updating or reinstalling it.

Step 3: Background App Refresh

Disable background refresh for apps that don’t require it. Go to Settings > General > Background App Refresh and toggle off unnecessary apps.

Step 4: Location Services

Turn off location services for apps that don’t need constant access. You can manage this in Settings > Privacy > Location Services.

Step 5: Push Email

Consider changing your email settings to fetch data manually or at longer intervals instead of using push.

Step 6: Reduce Screen Brightness

Lower the screen brightness or enable Auto-Brightness in Settings > Display & Brightness or Turn off Always On Display on iPhones with this feature; disabling the option to show your wallpaper when the phone is locked might help you conserve battery life. A basic black panel with simply the time and date is considerably more energy-efficient.

Step 7: Auto-Lock Timer

Shorten the Auto-Lock timer in Settings > Display & Brightness > Auto-Lock.

Step 8: Close Unused Apps

Close apps running in the background by double-clicking the home button (or swiping up from the bottom on iPhone X or later) and swiping away the unused apps.

Step 9: Turn Off Dynamic Wallpapers

Dynamic wallpapers can use more battery. Use a static wallpaper instead by going to Settings > Wallpaper > Choose a New Wallpaper.

Step 10: Reset Settings

If the issue persists, you may consider resetting all settings on your iPhone. Go to Settings > General > Reset > Reset All Settings. Note that this won’t delete your data but will reset system settings.

Step 11: Check for Rogue Apps

Some apps may misbehave and consume more power than they should. Consider uninstalling and reinstalling apps or contacting the app developers for assistance.

Also Read: How to Downgrade from iOS 16 on iPhone and iPad

iOS 17.3 – How To FIX Battery DRAIN on iPhone or iPad (Video Guide)


In conclusion, a variety of common troubleshooting techniques are involved in resolving battery depletion issues on your iPhone. Update the version of iOS on your device, keep an eye on battery life, and modify the settings for push email, location services, and background processes. Manage the screen’s brightness and auto-lock options as well. If issues continue, you might want to try resetting the settings. When using third-party solutions, proceed with caution. For advice relevant to your iOS version, check user forums or contact Apple support.

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