Two days before the official launch of iPhone X, Apple finally released the official version of iOS 11.1. For all users who have upgraded to iOS 11, please upgrade quickly, because Apple has fixed an important security vulnerability this time!

From the update instructions of iOS 11.1 given by Apple, this time Apple not only added a lot of new emoji expressions in the official version of iOS 11.1, but also improved the security of Apple software.

It is worth noting that, Apple has fixed the security vulnerability of WPA2 WiFi in the official version of iOS 11.1, which is very influential for mobile phone users.

According to the previous message, this vulnerability based on the WPA2 confidentiality agreement affects almost all devices using the WPA2 protocol, As long as your device supports WiFi, this vulnerability will be related to you. Even attackers can get your credit card number, password, chat record, and various photos and emails without breaking your WiFi password.

In addition, IOS 11.1 finally supports accessing the application switcher by pressing the edge of the display screen through 3D Touch. That is what we call 3D Touch gesture multi task switch regression.