Smartphone Operating System Types Smartphone Operating System Types: iOS 14, iOS 13, iOS 12, iOS 11, iOS 10, iOS 9, iOS 8, iOS 7, iOS 6, iOS 5, iOS 4, iOS 3 Android 11 (Go) Edition), Android 11, Android 10 (Go Edition), Android 10 (Q), Android 9.0 Pie (Go Edition), Android 9.0 (Pie), Android 8.1 (Oreo GO […]