Update iOS 18.6, iPhone users complain about overheating and battery drain

(Dan Tri) - After a few days of release, the iOS 18.6 update received mixed reactions.

On July 30, Apple released the official iOS 18.6 update for iPhone devices. The company said this version focuses on fixing bugs and enhancing device security.

In Facebook groups sharing iPhone usage experiences, many users complain that this operating system version causes battery drain, overheating, and even software errors.

Many users reported that the iOS 18.6 update caused battery drain and overheating (Photo: Apple Insider).

"After updating to iOS 18.6, my iPhone 14 Pro Max's battery drained very quickly. When left overnight and not used at all, the battery capacity also decreased by 10%," said Minh Thanh.

"My iPhone is less stable than before. Especially, when the battery capacity drops below 20%, the device jerks and gets very hot, the keyboard also has an error, I can't type normally," Ngoc Ly shared about the problem of her iPhone 16 after updating iOS 18.6.

According to Dan Tri reporters, the battery drain and overheating issues after updating iOS 18.6 appeared on many different devices, including the iPhone 16 series and older iPhone generations such as iPhone 15, iPhone 14,...

"Some people say that after updating iOS, it will take about 2-3 days for the device to operate more stably. However, it has been almost a week now but my iPhone 15 Pro Max is still overheating even though I am not using heavy tasks," said Duc Thang about the error of iOS 18.6.

According to Apple's support document, the iOS 18.6 operating system update will address dozens of serious security vulnerabilities on iPhones, so users are recommended to install it immediately.

Apple said the iOS 18.6 operating system will address dozens of serious security vulnerabilities on the iPhone (Photo: ZdNet).

Specifically, iOS 18.6 will patch more than 20 security vulnerabilities, including an issue with Accessibility that could cause VoiceOver to read passcode information aloud. Meanwhile, macOS Sequoia 15.6 fixes more than 80 security vulnerabilities that could cause device crashes or leak sensitive data.

Apple emphasizes that software updates are one of the most important measures to maintain the security of its products, and recommends that users update their devices to the latest software version to avoid risks from these security vulnerabilities.

Source: https://dantri.com.vn/cong-nghe/cap-nhat-ios-186-nguoi-dung-iphone-than-phien-nong-may-hao-pin-20250804225225941.htm