How to Fix iPhone Overheating After iOS 16/17/18 Update Quickly

Problem: iPhone overheating after iOS 16/17?18 update

Apple released the brand new iOS 16/17/18 as expected in September. A lot of users have already updated to iOS 16/17/18 to enjoy all the new features. However, software updates not only bring new features, but also annoying problems, one of the very common problems is iPhone overheating after iOS 16/17/18 update.

When encountering iOS 16/17/18 overheating issues, your iPhone will become hot to touch, even when not in use, and you may get a message saying that your iPhone needs to cool down before you can use it. The high temperature can damage internal components, drain the battery and permanently shorten battery life. When you notice that your iPhone overheating in iOS 16/17/18, it is recommended to take immediate action to fix it to minimize the damage.

Why does my iPhone overheat after iOS 16/17/18 update?

Here are some common reasons behind iOS 16/17/18 overheating issues.

Apps running in the background

After updating to new iOS, your iPhone may still be updating apps in the background and running new features like searching for duplicate photos, so you'll feel that the iPhone is overheating in iOS 16/17/18.

Bugs in software or apps

The iOS 16/17/18 may have a bug that makes iPhone overheat. In addition, apps that have not been optimized to work with iOS 16/17/18 will make the iPhone hot.

Heavy Usage

Using several high-powered apps at the same time can also cause iOS 16/17/18 overheating issues. Long sessions of streaming or gaming require a lot of power from the screen, CPU, GPU, and other components.

Faulty Components

A faulty battery can release irregular power and make iPhone overheat. In addition, your iPhone can also overheat if there is a problem with the processor or charging port.

High-temperature Environment

High temperature and direct sunlight will make an iPhone overheat. Excessive moisture can damage the electronic components in the device and make it hotter than usual.

How to fix iPhone overheating after iOS 16/17/18 update

Before going to Apple Store, you can try to fix iPhone overheating after iOS 16/17/18 update issue yourself. Please note that iOS 16/17/18 overheating issues may be caused by multiple factors, so you need to try several methods at the same time.

Fix 1. Put your iPhone in a cool place

Move your iPhone to a cooler location when you find iPhone is too hot. However, do not put your iPhone in excessively cold places like the fridge or freezer. The sudden change from a hot to a cold environment may further cause additional damage.

Fix 2. Give your iPhone a break

In the days after upgrading to the new iOS 16/17/18, your iPhone will be busy updating apps, running new features, downloading iCloud photos, etc. That is, in addition to what you are commanding the iPhone to do, the iPhone is also busy in the background. When you find iPhone overheating in iOS 16/17/18, simply stop using it for a while.

Fix 3. Close running apps

Running multiple apps at the same time can cause your iPhone to overheat. You can close unnecessary apps or running apps to solve the iPhone overheating after iOS 16/17/18 update issue.

• Swipe up from the bottom of the screen and pause in the middle of the screen.
• Swipe up on the app's preview to close the app.

Fix 4. Force restart your iPhone

iOS 16/17/18 overheating issue may be caused by system glitches. You can force restart your iPhone to refresh the memory and eliminate any errors causing the problem.

• Press and quickly release the volume+ button  
• Press and quickly release the volume- button
• Press the side button for seconds until you see Apple logo

Fix 5. Don’t charge your iPhone

When you find your iPhone overheating after iOS 16/17/18 update, please do not charge it until it cools down. It is best to use chargers and cable that come from Apple or from a reputable third party. In addition, it is not a good choice to charge your iPhone on a couch or bed. These surfaces will retain the heat generated by the iPhone due to charging.

Fix 6. Reduce battery Strain

When you find iPhone overheating in iOS 16/17/18, you can adjust some settings to reduce battery drainage. For example, you can turn the screen brightness down, turn on low power mode, turn off backup app fresh, turn off Wi-Fi, Bluetooth, GPS whenever you are not actively using them.

Fix 7. Reset all settings

You can also try to reset all settings to troubleshoot any incorrect settings that may lead to iOS 16/17/18 overheating issues.

Go to Settings > General > Transfer or Reset iPhone > Reset and tap Reset Network Settings > Enter your passcode to confirm.

Learn how to back up your iPhone to ensure data security

This time you meet iOS 16/17/18 overheating issues, however, you will never know what will happen to the iPhone after the update, maybe next time you will find the data lost after the update! To ensure data security, you’d better make a backup of important data before each update.

If you think using iTunes and iCloud to back up your phone is a hassle, then you can turn to AOMEI FoneBackup, one professional iOS data backup software for Windows users. Its Selective Backup and Full Backup can help you easily back up selected files or entire iPhone data as per your needs.

In addition, you can use the Phone Transfer feature to transfer data from iPhone to computer as a backup.

You can click the download button to get the tool.

Final words

That’s all about how to fix iOS 16/17/18 overheating issues. Your iPhone will be overheating because of heavy usage, system errors, faulty components, etc., you can try the 7 methods mentioned in this article to troubleshoot the problem. If nothing works, you can go to Apple Store and let a technician check your iPhone.