Discussion] Successfully downgraded iPhone 6 to iOS 11.4! Big thanks to u/DoggoFox123 aka Mineek (sunst0rm tool). I am open for any questions! : r/jailbreak
Apple releases fifth developer betas of iOS 11.4, macOS 10.13.5, tvOS 11.4 & watchOS 4.3.1 | AppleInsider
Speed Test : iPhone 5S - iOS 12 Beta 4 vs iOS 11.4.1 (iOS 12 Public Beta 3 Build 16A5327f) - YouTube