The overheating problem of iPhone15Pro series is solved: iOS17.0.3 is released!

Apple recently released the latest iOS17.0.3 update, the internal version number of the update is 21A360. This update mainly fixes a number of issues, including issues that may cause the iPhone to run too hot. At the same time, the update also fixes a security vulnerability named CVE-2023-42824 to improve the security of the system. This means that users can get a better user experience and higher security by updating the system.

According to the GeekBench benchmark results, the iOS 17.0.3 update does not use downclocking to reduce temperature, but improves it by optimizing the system and applications.

Jason Hiner, editor-in-chief of ZDNet, conducted an experiment to test the temperature changes of iPhone 15 Pro and iPhone 15 Pro Max while charging before and after upgrading to iOS 17.0.3. The procedure of the experiment is to first drain the power of the two mobile phones, and then compare the temperature difference between them when charging.

Before the upgrade, the maximum temperature of iPhone 15 Pro and iPhone 15 Pro Max reached 107.1 degrees Fahrenheit (41.7 degrees Celsius) while charging, and often exceeded 100 degrees Fahrenheit.

After upgrading to iOS 17.0.3, iPhone 15 Pro and iPhone 15 Pro Max reached a maximum temperature of 93.8 degrees Fahrenheit (34.3 degrees Celsius) while charging, and the temperature remained at 85-95 degrees Fahrenheit. within the range of degrees.

After testing, it was found that Apple’s iOS 17.0.3 update has significantly improved the overheating problem of the iPhone 15 Pro series models.

In addition, in order to protect user security and other factors, Apple decided to close the verification channels of some iOS systems, including iOS 16.6.1, iOS 17 and iOS 17.0.1. This means that users who have upgraded to new versions of the system will no longer be able to roll back to these older versions of the system.

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