Apple confirmed the iPhone 15 abnormally hot error

Apple says there are three causes of iPhone 15 overheating, including software problems, but affirms that the device is safe for users.

Immediately after the iPhone 15 arrived in users' hands on September 22, a series of feedback from users and tests from the technology world showed that the iPhone 15 was unusually hot . The situation occurs on all four new iPhone 15 models.

On September 30, Apple confirmed to Forbes : "We have identified a number of possible causes for iPhone being warmer than expected. The device may be warmer in the first few days after setting up or restoring the device by increased background activity".

This is also the reason Apple often gives when releasing updates. The company explains that the device will have to download all the old data, causing them to speed up operations as well as run in the background to complete this process as soon as possible.

A person opens the iPhone 15 Pro Max box on the first day of sale in Vietnam on the night of September 29. Photo: Luu Quy

In addition, the company also admitted that it "found a bug in iOS 17", making the temperature problem more serious for iPhone 15 users. This may be resolved in a software update, but Apple Didn't say when it will be released.

The third reason mentioned is due to some third-party applications, such as Asphalt 9, Instagram, Uber... Recent updates of those applications overload the system, causing the device to heat up. The company is working with the above application developers to deploy a fix soon, which Instagram updated on September 27.

In response to 9to5Mac , Apple confirmed that the titanium design of the iPhone 15 Pro and 15 Pro Max does not cause the above situation. The new material even dissipates heat better than previous stainless steel.

Apple said there is no safety risk to users, and the above issues will not affect the long-term performance of the device. iOS has a mechanism to prevent overheating. When abnormal heat is detected, the operating system will protect itself by adjusting its temperature.

Apple released iOS 17, iOS 17.0.1 and iOS 17.0.2 in less than 10 days, of which two small updates aimed to fix security errors and data transfer capabilities. The company is testing the beta version of iOS 17.1, expected to release at the end of October, and claims to not reduce performance to address the temperature issue.

Previously, WSJ editor Joanna Stern tested and found that the iPhone 15 Pro Max reached a temperature of 41 degrees Celsius during charging, sometimes reaching 45 degrees Celsius. If downloading games using a 5G network, like the game Genshin Impact , smartphone temperature increases up to 50 degrees Celsius. Android Authority 's testing shows that the iPhone 15 Pro compared to the two models Google Pixel 7 Pro and Galaxy S23 Ultra is 5-10 degrees Celsius hotter when charging, or about 3-7 degrees Celsius when charging. performance measurement.

Some experts then said that factors such as the Apple A17 Pro chip , USB-C port or titanium frame on the device could lead to overheating. Meanwhile, analyst Ming-Chi Kuo believes that the problem may be related to the design of the cooling system in the iPhone 15, especially the Pro series, because the new design and materials reduce heat dissipation performance. . He also predicted that Apple will handle it with a software update but reduce chip performance.