Apple resolves iPhone 15 overheatingApple resolves iPhone 15 overheating

Apple Resolves iPhone 15 Pro Overheating Issues in Latest iOS 17 Update

Apple released its iOS 17.0.3 update on Wednesday with a release note saying it “addresses an issue that could make the iPhone run faster than expected.” ZDNET tested this update and, using a thermal camera, concluded that it was indeed updated. This made the iPhone 15 Pro and Pro Max cooler when charging faster.

As reported since the iPhone 15 Pro arrived on September 22, the iPhone 15 Pro and iPhone 15 Pro Max can become very hot during fast charging or when using other applications such as Instagram, Uber or Asphalt 9 which seems to be getting worse. Not fixed in iOS 17 software.

Apple insisted that the heating problem was linked to a software bug and did not affect the new hardware or the redesign of the iPhone 15 Pro model, which introduced a new titanium frame with sub-aluminum construction to replace the latest stainless

During my tests with the iPhone 15 Pro and Pro Max, I encountered two hot issues. The first and most important thing is that the iPhone 15 Pro Max became very hot when transferring quickly with Apple’s USB-C cable connected to the 35W charging brick.

I can repeat this experiment elsewhere using the same cable and charger. I measured the temperature with a thermal camera and found that the iPhone 15 Pro Max got as hot as 107.1 degrees Fahrenheit.

This is hotter than other iPhone and Android phones, which are usually high at 85 to 95 degrees when charging quickly in my tests. The most popular phone received when tested under the same conditions was the Samsung Galaxy Fold 5, which reached 98.7 degrees Fahrenheit.

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The other hot issue I mentioned in the iPhone 15 Pro review came when I was jumping between Halide’s third-party camera app and Apple’s camera app while taking lots of photos outside on an 82-degree day.

When I go back to the Apple Camera app, a message saying “iPhone needs to freeze” will appear briefly for 1-2 seconds before I start using it again.

Halide released an update to its app that seems to have fixed the issue. I downloaded the iOS 17.0.3 update and left the iPhone 15 Pro and iPhone 15 Pro Max test units powered down, then put them on a quick charge using the same settings and the same equipment in the same location as my previous test.

At this time, they never get hotter than the touch, but they never reach above 93.8 degrees Fahrenheit.

They stayed between the 80s and 90s — a big improvement from iOS 17.0.3, when the iPhone 15 Pro model was often over 100 degrees Fahrenheit when carrying a 35W fast charger.

Here are my before and after iOS 17.0.3 flash images of the iPhone 15 Pro and Pro Max in my testing.


One last note: Apple doesn’t seem to have reduced performance in order to control the temperature of the iPhone 15 Pro model. I don’t see any difference in the speed or responsiveness of the two phones.

Apple Insider also ran performance tests on the iPhone 15 Pro and Pro Max after updating to iOS 17.0.3 and found “little to no difference” with both phones’ updated tests.

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