Specifically, Apple released the official version of IOS 12.4.9 today, mainly for 14 old models such as iPhone 6 and iPhone 6 plus. In terms of updates, the new system does not bring any functions. It only carries out security updates and fixes some security bugs. Apple also requires old users to update as much as possible. < / P > < p > today, Apple released the official version of IOS 14.2. In addition to adding new features, it also fixed many bugs. According to the update, < / P > < p > IOS 14.2 solves the problem of optimized battery charging of airpods. It slows down the battery aging rate by reducing the time of full charging of airpods. The “amplifier” can detect nearby people and report their distance by using the lidar sensor equipped with iPhone 12 pro and iPhone 12 Pro max. < / P > < p > in addition to the daily error repair and performance improvement, IOS 14.2 has added many new wallpapers. These wallpapers provide real photo version and art drawing version, as well as light color and dark color versions. This time, the style of the wallpapers is not the same as before, which is refreshing. The report shows that the number of app store purchases soared in the first half of this year due to the impact of covid-19