The thirteenth official update for the iOS 11 operating system Apple has not released iOS 11.3.1 until about a month after the launch of iOS 11.3, which included a fix for a bug that caused the touch-fu When the display was replaced by third-party vendors
In early April 2018, it was announced that a third-party display repair could cause huge problems. In addition to refusing to touch and failing the new battery condition feature with replaced batteries, the car brightness and True Tone feature on iPhone 8, iPhone 8 Plus, and iPhone X since iOS 11.3 may also be affected.
The update to 11.3.1 shows that Apple actually made a mistake here and was not wantonly acting to disadvantage third party repairers. According to Apple, iOS 11.3.1 also provides performance improvements and bug fixes that have been discovered since the launch of iOS 11.3. The iOS 11.3.1 update can be downloaded for free on iPhones running iOS 11 via the software update under the over the air settings.
iOS 11.3.1 will be followed by iOS 11.4 in a few weeks. This OS update is currently beta testing for paying developers and participants in the free beta program. iOS 11.4 introduces messages in the iCloud as well as AirPlay 2. Both are features that were originally supposed to appear with iOS 10.3, but have already been removed during the beta process.