[Can't Miss] Top 7 Ways to Fix iPhone 15 Overheating Issues
Jerry Cook
- Updated on 2023-09-26 to  iPhone 15
iPhone 15 Pro temperature reaches up to 48°C during a gaming test.
Is your brand-new iPhone 15 feeling more like a pocket-sized heater than a cutting-edge smartphone? You're not alone. The iPhone 15, with its powerful features and performance, can sometimes run into the issue of overheating, causing discomfort and potential damage. But fret not, because in this article, we're going to explore the common reasons behind iPhone 15 overheating and provide you with a comprehensive guide on how to keep your device cool and performing at its best. Join us as we uncover the secrets to taming the heat and ensuring a cooler, smoother experience with your iPhone 15.
- Part 1. Why is My iPhone 15 So Hot?
- Part 2. How to Fix iPhone 15 Heating Issue?
- Solution 1. Force Restart your iPhone 15
- Solution 2. Stop Resource Hungry Apps
- Solution 3. Avoid Using iPhone 15 Under Direct Sunlight
- Solution 4. Disable Always-On Display
- Solution 5. Remove Lock Screen Widgets
- Solution 6. Reset All Settings
- Part 3. Ultimate Solution to Fix iPhone 15 Overheating [Fastest & Easiest Way]
- Part 4. People Also Ask about iPhone 15 Overheating
Part 1. Why is My iPhone 15 So Hot?
why is my iPhone 15 hot? How to get iPhone 15 cooling? Many people may have this question when they find that their iPhone 15 pro max overheating. There are a few potential reasons why your new iPhone 15 pro overheating:
- Heavy usage - Using resource-intensive apps, multitasking, gaming, or having multiple apps open can cause the iPhone to heat up. Moreover, iPhone 15 overheating while charging is also common.
- Direct sunlight - Leaving your iPhone 15 in direct sunlight for an extended period can cause it to overheat quickly. The metal and glass build absorbs heat easily.
- Cases - Certain phone cases, especially ones that are tight-fitting and restrict airflow, can trap heat in and cause overheating.
- Broken battery - If the battery is damaged or defective, it may overheat, especially when charging. This poses a safety hazard.
- Software glitches - Buggy iOS updates or apps that run in the background could be putting excess strain on the iPhone 15 and making it hot.

Part 2. How to Fix iPhone 15 Heating Issue?
Solution 1. Force Restart your iPhone 15
Restarting your iPhone 15 can help clear out any software glitches or processes that may be causing overheating. It essentially gives your iPhone a "clean slate" when booted back up.
To force restart an iPhone 15:
1. Press and quickly release the Volume Up button.
2. Press and quickly release the Volume Down button.
3. Then, press and hold the Side button until you see the Apple logo appear on the screen.

Solution 2. Stop Resource Hungry Apps
Apps that use a lot of processing power in the background can cause your iPhone 15 getting hot. Closing these apps when not in use can help cool things down.
To close running apps to fix iPhone 15 pro max overheating:
1. Double-tap the Home button to bring up the app switcher.
2. Swipe up on any apps to force close them. Pay attention to apps like gaming, video streaming, navigation, etc.
3. You can also go to Settings > Battery to see which apps are using the most battery life. Disable or delete battery-draining apps.
4. Enable Low Power Mode to reduce background activity and processing demands.
Solution 3. Avoid Using iPhone 15 Under Direct Sunlight
Using your iPhone 15 in direct, intense sunlight can cause it to heat up very quickly. The metal and glass exterior absorbs a lot of thermal energy.
To prevent iPhone 15 overheating issue:
- Avoid leaving your iPhone 15 in direct sunlight for extended periods of time, such as on the dashboard of your car.
- Find shade or cover when using your phone outdoors on sunny days. The ambient temperature outdoors combined with sun exposure can quickly lead to an overheated device.
- Be particularly cautious when your iPhone is doing processor-intensive tasks like gaming or navigation under sunlight. The additional computation will produce more heat.
Solution 4. Disable Always-On Display
The Always-On display feature on iPhone 15 Pro and Pro Max keeps the screen dimly lit even when not in use. This constant screen activity can contribute to iPhone 15 pro max getting hot.
To disable the Always-On display and prevent iPhone 15 pro max getting hot while using:
1. Open the Settings app and tap "Display & Brightness".
2. Find the "Always On" setting and toggle it off.
3. The display will now go completely dark when not raising or tapping your iPhone.
Solution 5. Remove Lock Screen Widgets
The widgets on the iPhone Lock Screen refresh data in the background which can contribute to overheating. Removing unnecessary Lock Screen widgets can help.
To remove Lock Screen widgets:
1. Press and hold on the Lock Screen until you see the "Customize" button.
2. Tap on the widgets you want to remove.
3. Tap the minus "-" icon to delete widgets from your Lock Screen.
Solution 6. Reset All Settings
Resetting all settings on your iPhone reverts system preferences back to default without erasing your data. It can fix software-related issues causing overheating.
To reset settings and avoid iPhone 15 keeps overheating:
1. Open the Settings app and tap General.
2. Choose Transfer or Reset iPhone > Reset.
3. Tap Reset All Settings.
4. Your iPhone will reboot - this will reset settings for iOS, apps, WiFi, Bluetooth and more.

Part 3. Ultimate Solution to Fix iPhone 15 Overheating [Fastest & Easiest Way]
If restarting, closing background apps, and resetting your settings do not resolve iPhone 15 overheating, it may be time for a deeper system-level repair. The powerful yet easy-to-use UltFone iOS System Repair tool offers the ultimate solution.
UltFone iOS System Repair can thoroughly analyze your iPhone's software environment to pinpoint and fix any system-level issues causing overheating. It repairs 150+ iOS problems like iPhone 15 heating up, freeze, boot loop, recovery mode, black screen, Apple logo, and more - all without deleting your data.
Key benefits of UltFone iOS System Repair for overheating issues:
- Repairs core iOS system errors that lead to overheating
- No data loss or wiping is required
- Fixes software-related freezes, crashes, and heating
- User-friendly 1-click repair process
- Downgrades from problematic iOS versions
- Wide compatibility for all iOS versions and iPhone models
Try the following steps if your iPhone 15 hot when charging or iPhone 15 pro hot when charging:
- Step 1 Download and install UltFone iOS System Repair on your computer. Connect your iPhone 15 via USB once launched and click “Start.”
- Step 2From the main menu, click "Standard Repair" to start the repair process.
- Step 3UltFone will automatically download the correct iOS firmware for your iPhone model. Choose a location to save the firmware file.
- Step 4With the proper firmware ready, click "Start Standard Repair." UltFone will now begin analyzing your iPhone's software for issues causing overheating.
- Step 5Once complete, UltFone will reboot your iPhone. Test your device - the iPhone 15 pro running hot should now be fixed thanks to the in-depth system repair.
Part 4. People Also Ask about iPhone 15 Overheating
Q1. Is iPhone overheating common?
Yes, overheating is a fairly common issue reported by iPhone users. Intensive processing and hot ambient temperatures can cause iPhones to exceed normal operating temperatures.
Q2. How hot is too hot for iPhone?
Apple states iPhones are designed to work in ambient iphone 15 temperatures up to 95°F (35°C). Any internal temperature over 105°F (40°C) or external temperature over 113°F (45°C) could indicate a hazardous overheating problem. If your iPhone feels very hot to the touch, it likely needs troubleshooting.
Q3. Does iPhone 15 get hot?
According to Apple Official, While indexing all the new data you have added to the phone, a new phone will be warm. There is no need to worry about this because it is natural.
Final Word
An overheating iPhone 15 can be frustrating, but thankfully, there are solutions. Start by closing intensive apps, moving to a cooler location, and disabling unnecessary features like Always-On display. If overheating persists, don't hesitate to try rebooting your iPhone or resetting all settings. These software-based tricks should provide some relief in many cases.
However, for truly stubborn overheating that resists basic fixes, consider using the professional-grade UltFone iOS System Repair tool.