How to Fix iPhone Laggy After iOS 17 Update?


4 mins read



Is your iPhone laggy or slow down after iOS 17 update? Do you get frustrated due to the issue of 'my iPhone laggy because of iOS 17 updates'?

In this article:

If your answer to any of these questions is yes, then this article is for you.

In this article, we have prepared well-detailed steps on how to fix iOS 17 laggy with the top 6 ways which include a most professional iOS repair tool - iMyFone Fixppo. Read on to discover how these solutions can assist you.

how to fix my iphone lagging after ios 17 updated


iMyFone Fixppo

Step-by-Step Guide to help you fix iPhone personal voice not showing in iOS 17: Seamlessly System Repair to Stability with iMyFone Fixppo!

Try It Free

Why is My iPhone Laggy After iOS 17 Update?

There could be several reasons why iPhone laggy issue happens after downloading and installing iOS 17 update.

why iphone laggy

Tips 1 Your iPhone storage is too low to carry iOS 17 beta.

Tips 2 Too many open apps.

Tips 3 Your iOS 17 settings aren’t optimized, such as motion and display brightness.

Tips 4 You have a poor network connection (weak Wi-Fi signal).

Tips 5 Faulty battery.

Tips 6 Your iOS 17 device has been exposed to extreme weather.

One thing that is very important that you must keep in mind is the fact that as you carry out any update, there are some changes that take place to the existing software.

Such changes may affect the database, settings, and other relevant details to the update.

Top 6 Ways to Fix My iPhone Laggy after iOS 17 Update

1 Restart Your Device

Many times people don’t know that a simple restart can address the ‘my iPhone laggy’ after iOS 17 update issue.

Restarting your device helps in retaining memory, preventing crashes, running more smoothly, and prolonging battery life. When you restart your device, it refreshes it and helps it run optimally and faster.

restart iPhone with 1click

To restart your iPhone device follow the steps below:

Step 1. Press and hold the Power/Wake/Side button-whatever you call it along with the Volume button for a couple of seconds.

Step 2. Release the buttons when slide to Power off slider shows on the screen. Now drag the slider all to the right to soft reset your iPhone.

Step 3. Now wait for at least 30 seconds and press the power button to restart your iPhone. Release the buttons when you see the Apple logo.

Popular aticle: 3 Ways to Fix Fix iPhone Black and White after iOS 17 Update

2 Manage iPhone Storage

Managing your iPhone device storage space has sometimes shown to be effective in fixing iPhone laggy issues. For example free up your device storage space by deleting message attachment. So begin to remove unwanted or outdated images, videos, unused apps, bloat wares etc. from your device. I assure you after the deleting operation, you will notice improvement in the speed against the iPhone laggy issue.

how to check iphone storage

To delete file attachments follow the steps below:

Step 1. Go to Settings > General > iPhone Storage.

Step 2. Scroll down and tap on Messages.

Step 3. You'll see a list: Top Conversations, Photos, GIFs and Stickers, and Other.

Step 4. Tap Edit in the upper-right corner.

Step 5. Mark all attachments you want to delete.

3 Restore iPhone from iOS 17 Without Data Loss

Is your iPhone stuck in boot loop? Or your iPad won’t turn on or even charge? What about the issue of your Apple TV screen going black?

Worry no more! iMyFone Fixppo can fix everything for you: not just for iPhone lag issue after iOS 17 updated. It can easily fix any kind of iOS/iPadOS/tvOS system issues and get your device back to normal in no time and you can do it all by yourself without need for external assistance.

iMyFone Fixppo

Key Features:

  • Comprehensive System Repair: Fix iPhone lag in iOS 17 and speed up your iPhone.
  • High Success Rate: Repair, downgrade and 1-Click reset in iOS 17.
  • No Data Loss: Optimize your iOS 17'S experience.

Try It Free Buy Now

Limited Time 10% OFF Coupon Code for iMyFone Fixppo: FARTT91

Step 1. Download and install iMyFone Fixppo on your computer, launch the program and connect your iPhone to the computer using a USB cable.

fix instagram app keeps crashing on iPhone - imyfone fixppo

Step 2. Click the "Start Repair" button and choose "Standard Mode".

start repair - imyfone fixppo

select mode - imyfone fixppo

Step 3. Enter Recovery Mode or DFU Mode

Connect your iPhone to the computer using a USB cable. Follow the on-screen instructions to put your iPhone into DFU or Recovery mode.

recovery mode - imyfone fixppo

Step 4. Confirm your device details and download the appropriate firmware packa/bge suggested by Fixppo.

download the firmware - imyfone fixppo

Step 5. Once the firmware is downloaded, click on "Start Standard Rapair" to initiate the system repair process.

download successfully a fireware version - imyfone fixppo

Step 6. After the repair is complete, your iPhone will restart. Check if the iPhone laggy issue is resolved.

repair successfully - imyfone fixppo

Try It Free Buy Now

You May Also Like: How to Fix iPhone is Dead

4 Disable Background App Refresh Feature

And in any case if you still want to try out another way to fix your iPhone laggy problem, you can disable background app refresh.

By so doing you can reduce the excessive utilization of the resources of the device, thereby making it refreshed and stable to stop laggy.

exit open app

Step 1. Go to Settings > General > background app Refresh.

Step 2. Tap background app Refresh > Off to turn background app refresh off completely.

5 Factory Reset iPhone

Just in case the iPhone is still lagging after all the above steps you can consider the option of restoring to factory settings. I consider this the last resort because doing a full factory reset will remove permanently all data on your device.

So i always bly advise you back up all your important data before the reset operation is done, that way you can be sure you won’t lose any vital information.

how to restore iphone to factory settings

Therefore the do the factory reset, go to Settings > General > Transfer/Reset iPhone. Follow the remaining instructions to the end to reset iPhone.

6 Recovery Mode Restore iPhone via iTunes

Let’s assume your iPhone laggy issue still persist, we might just try restoring iPhone through iTunes by following the steps below. And don 't worry if your iPhone stuck on connect to iTunes logo:

restore iphone using itunes

Step 1. Ensure you have the latest version of iTunes installed in your computer.

Step 2. Connect your iPhone to the iTunes in the computer using the USB lighting cable and iTunes logo will appear on the iPhone screen, and iTunes will notify that a device in recovery mode is detected.

Step 3. Select the Restore option and wait as the task finishes. And not so long, you will have brand new factory settings on your iPhone.


There are several causes of iOS 17 laggy. While trying to fix the issue, you must take into cognizance the age of your device and the need to back up your files.

Generally, resolving iPhone laggy requires some patience and understanding of what to when iPhone freezes. iMyFone Fixppo will be a perfect choice to solve your problem.

Try It Free

Generally rated 4.8 (256 participated)


Rated successfully!


You have already rated this article, please do not repeat scoring!

Home > iPhone Issues > How to Fix iPhone Laggy After iOS 17 Update?