12 Ways to Fix Your iPhone X Overheating after iOS 12 Update

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Have you updated your iPhone X to iOS 12 but experiencing a rapid battery drain or overheating on your iPhone X? Here are some possible fixes.

During the recent release of iOS 12 (beta), many users who have updated to the latest iOS are experiencing overheating on their iPhone X.


We compiled 12 possible fixes which we have tried during the previous iOS versions so we hope that it can resolve your problem.

Editor's note: learn more by reading our ebook on starting your own iPhone repair & unlock business

12 Ways to Fix iPhone X Overheating after iOS 12 Update

1. Leave the iPhone As Is

It is advisable that you turn the screen off and let the iPhone finish whatever it’s doing after the update is applied.

If you haven’t updated your iPhone yet, choose a time when you don’t really need to use your phone such as after office hours or on a long weekend.

2. Reboot your iPhone X

Rebooting your iPhone will force kill any minor software crashes or error within iOS.


This basically forces your iPhone to reboot by following the steps below.

  • Firstly, press the Volume Up button – briefly press and release the Volume Up button.
  • Next, press the Volume Down button – briefly press and release the Volume Down button.
  • Finally, press and hold Side button – press and hold the Side button (Sleep/Wake button) and then you see the Apple logo appearing

The Apple logo will appear and your iPhone should start normally.

Any process that was stuck in the memory should have been terminated safely.

Some users who were experiencing warm iPhone were able to fix it after doing this simple hard reboot procedure.

3. Check Location Based Reminders

Users should also check their iPhone’s location based reminders and background refresh settings to make sure the iOS 12 update did not change these settings.

If turned on, they may further increase battery draining and causing the iPhone X to overheat.

4. Erase your iPhone

If all fails, try to run a backup first and then erase all documents and settings and then followed by restoring from backup.

It also’s highly recommended that whenever you update your iPhone, do it on your computer via iTunes instead of using the OTA (Over-the-Air) update.

This somehow “magically” fixes most iOS related issues.

5. Remove the iPhone Case or Cover

To protect your iPhone X from any possible damage, you may have installed a protection case on your iPhone.

However, this may reduce the heat dissipation performance of your iPhone and will make your iPhone gets hot easily.

So if you have put your iPhone in a case, remove the case to let it cool down.

6. Stop Playing Games

Many new iPhone games are using a lot of hardware resources and may strain your mainboard processors. Since you’ve just updated the iOS, perhaps it’s a good idea to force terminate the game first and launch it at a later time.

If possible, don’t play too long on your device.

7. Terminate Any Running App in the Background

Terminating any running app in the background is useful to save battery life and to cool down your iPhone X.

Simply double-tab the Home button to preview all running apps. Then swipe up to close the apps.

8. Unplug your iPhone

If your iPhone X’s temperature rises when charging, try to unplug it and wait for a few minutes. It will normally cool down.

Consider getting a genuine iPhone X charger or cable if you’ve been using a non-genuine version.

9. Turn off Location Services and Bluetooth

One of these may be the culprits causing your iPhone X to overheat.

Switch off Bluetooth on the Control Center by swiping up and then toggle it or go to Settings > Bluetooth.

Location Services can be turned off by going to Settings > Privacy > Location Service.

10. Perform Check on Background iCloud Services

There’s always a possibility that some background services of the iCloud are stuck running in the background.

This may also cause iOS 12 battery draining and overheating problems even when you are not using your iPhone.

Therefore, it’s highly recommended that you check the iCloud backup, iCloud Photo Library, or other iCloud related services if they run into errors running in the background.

11. Full Reset your iPhone

If your iPhone X continues to overheat after updating to iOS 12, try to perform the Reset All Settings procedure.

Go to Settings > General > Reset > Rest All Settings.

This resets your iPhone without affecting your data.

12. Downgrade iOS 12 to iOS 11.4

This is probably the last resort to address your iPhone X problem.

However, you can only downgrade to earlier iOS version if Apple is still signing it. That simply means Apple is still authorizing the downgrade procedure.

These possible fixes are recommendation and there are always some possibilities that the problem won’t be fixed.

However, if one of the solutions above managed to fix the issue, please don’t forget to leave your comments below.

Please feel free to share these tips!

12 Ways to Fix Your iPhone X Overheating after iOS 12 Update was last modified: June 12th, 2018 by Joe Wang

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