After Apple started pushing iOS 12.0.1 this morning, the last version of iOS11 system also ended. Apple has closed the upgrade verification of iOS11.4.1. Currently all iOS devices can't be downgraded to iOS11, but downgraded from iOS12.0.1 to iOS12 is still available.
Under normal circumstances, after Apple pushes a new system, it will stop verifying the old version of iOS update in about one month. It can be seen that iOS12 will stop updating in the near future. In today's iOS12.0.1 push upgrade, Apple for iPhone XS When the new device fixes the charging problem, it also fixes the iPad keyboard layout and other small bugs.
Not long ago, the data shows that over 50% of all iOS devices have been upgraded to iOS12 or above, but nearly 40% of users stay on iOS11. Under the premise of high system upgrade rate, Apple guarantees most users. The benefits, and provide better functional improvements and security. Recently there are also reports that Apple is testing the iOS12.1 system, built-in support for Group FaceTime and other features, is expected to be pushed before the end of the month.
