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Is Your iPhone Lagging After iOS 17? Here's How to Fix It

Numerous iPhone users have voiced concerns about notable performance slowdowns following the iOS 17 update. This issue can be particularly aggravating, especially for individuals dependent on their phones for work or daily activities. The lag can affect everything from opening apps and browsing the web to using social media and playing games.

There are several reasons why your iPhone might be slow after an update. Bugs in the new iOS software can cause performance issues, or your device might be struggling to handle the increased resource usage of the update. Luckily, there are several ways to fix a slow iPhone after an update.

Is Your Iphone Lagging After Ios 17? Here's How To Fix It

Key Takeaways

  • Lag on iPhones after the iOS 17 update can be due to outdated app versions, insufficient storage, background processes, resource-intensive features, and software glitches.
  • A simple restart can often resolve lag issues by clearing memory and optimizing performance.
  • Ensure all apps are updated to their latest versions to maintain compatibility with iOS 17.
  • Turn off background app refresh to reduce resource consumption and alleviate lag.
  • Free up storage space by deleting unnecessary files and messages to improve performance.
  • Consider a factory reset as a last resort to resolve persistent lag issues, but ensure to back up data first.
  • If necessary, restore your iPhone through iTunes to resolve lag issues.
  • Check battery health, as degraded batteries can also contribute to performance issues.
  • Contact Apple Support or iFixScreens for further assistance if lag issues persist after trying troubleshooting steps.

Why is My iPhone Sluggish After the Latest Update?

Why Is My Iphone Sluggish After The Latest Update?

Are you experiencing performance issues after the latest iOS update? Several factors could be contributing to your iPhone's sluggishness after upgrading to iOS 17.1:

Outdated app versions: Applications not optimized for the new iOS may hinder performance, lack compatibility with iOS 17.1, and result in slower operation.

Insufficient storage capacity: Low storage availability on your device can notably degrade speed and overall performance.

Pending background processes: Ongoing background tasks from certain apps may utilize system resources, causing your iPhone to operate slower.

Resource-intensive features without proper management: Newly introduced iOS 17 features may demand significant resources, potentially slowing down your device if not managed efficiently.

Software glitches: Occasional bugs within the latest iOS update can impact performance, typically addressed in subsequent patches.

You can use several solutions to restore your iPhone's performance. Here are some steps you can take:

Restart Your iPhone 

Restart Your Iphone

Often overlooked, a simple restart can resolve the 'my iPhone laggy' issue after updating to iOS 17 and fix iPhone issue.

Restarting clears memory, prevents crashes, ensures smoother operation, and extends battery life. It refreshes your device, optimizing performance and speed. To restart your iPhone:

  • Press and hold the Power/Wake/Side button, and simultaneously press the Volume button for a few seconds.

  • Release the buttons when the 'slide to Power off' slider appears. Slide it to the right to soft reset your iPhone.

  • Wait at least 30 seconds, then press the power button to restart your iPhone. Release the buttons when the Apple logo appears.

Keep Your Apps Updated

Keep Your Apps Updated

Ensuring your apps are up to date is crucial for optimal performance, especially with the new iOS 17.1. Outdated versions may lead to issues like the iPhone 11 lagging. Here's how to update them:

  • Open the App Store on your iPhone.

  • Tap your profile icon at the top right.

  • Scroll to 'Available Updates.'

  • Select 'Update All.'

  • Your apps will be updated to their latest versions, compatible with iOS 17.

Background App Refresh

Background App Refresh

you can resolve your iPhone's lagging issue by turning off background app refresh. This can reduce resource consumption, refresh the device, and alleviate lag. Here's how:

  • Navigate to Settings > General > Background App Refresh.

  • Toggle Background App Refresh to Off to deactivate it completely.

Keyboard Settings

Keyboard Settings

Certain keyboard features, like autocorrect suggestions, can slow down typing. Try adjusting these settings in Settings > General > Keyboard.

Optimize iPhone Storage

Optimize Iphone Storage

Effective management of your iPhone's storage space can help resolve lagging issues. Start by freeing up storage, such as removing unnecessary images, videos, and unused apps. Follow these steps to delete message attachments:

  • Navigate to Settings > General > iPhone Storage.

  • Scroll down and select Messages.

  • Review the list, including Top Conversations, Photos, GIFs, Stickers, and Other.

  • Tap Edit in the upper-right corner.

  • Mark the attachments you wish to delete.

Factory Reset Your iPhone

Factory Reset Your Iphone

If your iPhone continues to lag despite previous attempts to resolve the issue, you may opt for a factory reset. However, this is a last resort as it permanently deletes all data on your device.

Before proceeding, back up all critical data to prevent any loss. To perform the factory reset:

  • Go to Settings > General > Transfer/Reset iPhone.

  • Go through the on-screen instructions to complete the reset process.

Recovery Mode Restore iPhone via iTunes

Recovery Mode Restore Iphone Via Itunes

If your iPhone lag issue persists, consider restoring it through iTunes. Here's how:

  • Ensure that your computer is equipped with the most recent version of iTunes.

  • Connect your iPhone to the computer using a USB lightning cable. You'll notice the iTunes logo appearing on your iPhone screen, indicating that iTunes has detected a device in recovery mode.

  • Choose the Restore option and allow the process to complete. Your iPhone will soon be restored to its factory settings.

Additional Tips:

Additional Tips
  • Battery Health: A degraded battery can also lead to performance issues. Check your battery health in Settings > Battery > Battery Health. If it's below 80%, consider replacing the battery.
  • Contact Apple Support or iFixScreens: If you've tried all these solutions and your iPhone is still lagging, contact Apple Support or iFixScreens for further assistance. We specialize in iPhone repair services and able to diagnose the problem and offer additional solutions.

Final Thoughts

In this article, we've explored ways to fix iPhone after the iOS 17 update. These solutions range from simple steps like restarting your phone to more advanced options like resetting your settings or restoring from a backup. By following these steps, you should be able to resolve the lag issues you're experiencing and get your iPhone back to running smoothly.


Q. Why is my iPhone lagging after updating to iOS 17?

A. Many users have reported that their iPhone lags after the iOS 17 update. This could be due to various reasons, such as software bugs in the new iOS, insufficient storage space, background apps consuming resources, or system issues.

Q. What are some common issues causing iPhone lag after the iOS 17 update?

A. Some common issues causing iPhone lag after the iOS 17 update include insufficient storage space, background apps running in the background, software bugs in the new iOS version, and system issues that may have occurred during the update process.

Q. How can I fix my iPhone if it's running slow after updating to iOS 17?

A. If your iPhone is running slow after updating to iOS 17, you can try several ways to fix it. These include clearing up storage space, closing background apps, restarting your iPhone, performing a factory reset, or seeking professional help for system repairs.

Q. What steps can I take to resolve the lagging issue on my iPhone after iOS 17?

A. To resolve the lagging issue on your iPhone after iOS 17, you can try ways to fix the iPhone's slow performance. These steps may include updating your apps, restarting your device, freeing up storage space, checking for software updates, and turning off unnecessary features that may be causing the lag.

Q. How do I repair my iPhone if it lags after the iOS 17 update?

A. You can consider various repair options if your iPhone lags after the iOS 17 update. These may include performing a system restore, using iOS system recovery tools, checking for software updates, or seeking professional assistance to diagnose and fix the issue.

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ios 17, iPhone Lagging After iOS 17

Ravi Shah

About the author

Ravi Shah

Ravi is the head of Content Strategy at iFixScreens Corporate. With over a decade of experience writing technical content for his readers, Ravi has helped thousands of readers with helpful content, tips, and tricks. He mainly writes content related to gadget repairs, such as iPhones, Smartphones, tablets, and laptops.

Question? Send me an email info@ifixscreens.com