How to Fix iPhone 8/8 Plus Slow and Freezing

1.Uninstall Apps

If your iPhone screen becomes unresponsive or lags out when opening some apps, there might be something wrong with the app itself instead of the device. You can update these apps to the latest version in App Store. If that not helped, tap on the apps and click the “x” icon to delete them and then reinstall.

2.Restart iPhone 8/8 Plus

We all know that many iPhone problems can be solved quickly by preforming a restart; you can also try when your iPhone 8 is freezing during setup, restore or update. Press the power button until “slide to power off” appears, slide the bar to right to turn off your device. Then you can turn on iPhone by pressing the side button again.

3.Free up iPhone Storage

Sometimes iPhone 8/8 Plus is lack of storage, when running some apps, it will not work properly and freeze a lot. You can clean out all the junk files in your device or transfer some large file from iPhone to computer and then delete them on iPhone. To complete this, UltFone iOS Data Manager will be your best choice. This useful tool is able to scan iPhone and clean up all unnecessary files as well as transfer some large items like music or video to computer freely.

4.Put iPhone Into DFU Mode

Restore iPhone in DFU mode is a good method to fix many software problems, here’s how you can do it:

• Turn off iPhone 8 and connect to computer, press and hold down the sleep button and volume down button at the same time for 10 seconds.
• Continue holding the volume down button for 10 seconds and release the sleep button.

5. Repair System on iPhone 8 to fix iPhone 8 Freezing

When the iPhone 8 screen keeps diming, rotating, freezing or not running smoothly, there’s a large chance that a software glitch occurs. Try to repair iOS system with a professional tool called UltFone iOS System Repair. This software is able to fix iPhone crashing, screen black/blue or won’t turn on and many other stuck issues by installing the latest firmware. Download the program on your PC or Mac and follow the steps below to fix iPhone 8 freezing and crashing issue completely.

• Run UltFone iOS System Repair on your computer and connect iPhone, click “Start” from the interface once the device is detected. Then you’ll see an interface like below, click “Standard Repair” to go on.

• Next, choose a save path and click “Download” to go on.

• When the firmware is downloaded successfully, click “Start Standard Repair" to repair system. The whole process will complete in minutes and your iPhone 8 will reboot as normal.

6. Restore iPhone 8 in iTunes

If you are unluckily and fail to fix iPhone 8/8 Plus freezing, restore in iTunes and set up as a new device will be your final choice. Remember to back up your device as this operation will erase all the current files and settings.

Run iTunes connect iPhone to computer, click the iPhone icon and then choose “Restore iPhone” to put your device to its original state.

7. Contact Apple for Help

For those who are experiencing severe situation and cannot fix iPhone 8 slow and freezing even after restoring, go to the Apple Repair shop or contact Apple for help.

The Bottom Line

This post has shown you how to fix iPhone 8 freeze after unlock, iOS update, restore from iTunes backup or jailbreak. I hope you have fixed your problem after trying the methods above. For further questions or inquiries, don’t hesitate to contact us.