Earlier this week, Apple suddenly released iOS 11.2.2 official version update, and gives all the recommendations to be upgraded iPhone, although only a small update, but the level is still high.

This iOS 11.2.2 update, Apple only emphasizes the fix for the Safari browser Specter security vulnerability (CVE-2017-5753 and CVE-2017-5715), this vulnerability can be easily used by hackers without your knowledge Steal your device's important information.