Four seas network: Apple recently stopped the verification of IOS 11.3 after the release of IOS 11.3.1, which was launched a few days ago. According to the Convention, after the new IOS is released, Apple will regularly turn off the old version of IOS authentication, both for the sake of system security and to ensure the number of users adopting the new system.
Apple's IOS 11.3.1 can't be downgraded. Apple turns off IOS 11.3 verification
With the verification turned off, users who have upgraded IOS 11.3.1 can't be downgraded any more. In most cases, jailbreak users are greatly affected, while ordinary users will choose to upgrade the system with the official update frequency, especially in IOS 11.3, which improves the fluency, adds the key functions of battery management, and supports PWA (Web Under the premise of APP), there are not a few people who have upgraded.
IOS 11.3.1 was released on Tuesday, mainly to solve the problem that some iPhone 8 and other models after IOS 11.3 update change screens in the third-party repair shop and the touch screen does not respond. Later, it was verified that the problem may be encountered in the third-party screen change and the screen change in the official after-sales repair shop, which belongs to the bug on the system. It is recommended to use iPhone 8 It is better for friends of series above models to upgrade in case that the experience will be affected after maintenance.
Of course, after today's upgrade, you can't go back. You can only wait for IOS 11.4 to update.
Apple is currently testing version 11.4, the main improvement of which is to support airplay 2, integrate icloud imassege and Apple's new classkit framework. The official version should be available soon.
Without any surprise, 11.4 will also be the last version of IOS 11. Soon we will welcome the next generation of Apple's mobile system IOS 12 on WWDC. As for the new system, it is said that it focuses more on the improvement of reliability, and many exciting new functions are temporarily stranded. If you expect IOS 12 to have a completely different look and feel, you're probably disappointed. In IOS 12, there will be very little change in interface and design.
In addition, it is also revealed that Apple will not launch the cross platform functions of Mac OS platform to run IOS applications until 2019. But their planned 'project marzipan' will still be online in the fall of 2018. This function enables Mac OS to obtain more powerful application quantity support. Both MacBook computers and IMAC computers can use IOS app adapted by developers.