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In the early morning of this day, Apple finally pushed iOS15.7.1 official version to users. The internal version number of this update is 19H117. In addition to the new iPhone14, all 6S and above models support upgrades!
Not long ago, Apple pushed the iOS15.7.1RC system version, that is, quasi-official version . The update log of this version mentions important security updates for . Under normal circumstances, the content of the RC version update will be roughly consistent with the content of the subsequent official version.
However, a serious vulnerability occurred in this quasi-official version. Some users found that their Face ID was unavailable after updating this version. When resetting the face, an error message of will pop up in the page. "Face ID is not available, please try again later" . The models affected by this vulnerability include but are not limited to iPhone 12 Pro and iPhone 13 Pro models.
According to some users who have updated iOS15.7.1 official version , they did not have any bugs in the RC version of Face ID unavailable after were updated. However, unlike what was expected, Apple did not choose to re-release a new RC version, but directly released the official version.
may be because Apple is checking for defects and fixing vulnerabilities for the official version of iOS15.7.1 that this version was not released with iOS16.1, but was released one after another after a few days.
iOS15.7.1 official version also displays the important security update , and it is recommended that all users install it. This means that some vulnerabilities that may be exploited by have been resolved by Apple , so it is recommended that users who are not planning to use iOS16 system update this version as soon as possible.
iOS15.7.1 official version is specially prepared for some old models that cannot upgrade the iOS 16 system. At the same time, this version is also a good retirement version . Users who are not planning to upgrade to the iOS16 system can also choose this version to stay.
Although no new features were added in the official version of iOS15.7.1, some update content can be inferred from the previous RC version. Compared with iOS 15.7 version, the new version of the system has significantly improved and improved in terms of battery life, cooling, signal, and smoothness of .
users who are preparing to update to the official version of iOS15.7.1 can find this version in "Settings" - "General" - "Software Update" in iPhone device, download and install it.
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