watchOS 4

watchOS 4
Version of watchOS
Placeholder.png
Version4.x
CodenameFortune (4.0 - 4.0.1)
Beluga (4.1)
Catamaran (4.2)
Dolphin (4.2.2 - 4.2.3)
Emperor (4.3)
Ferry (4.3.1 - 4.3.2)
ArchitectureARM32
Latest build15U70 (4.3.2)
Release date2017-09-19
Replaces
watchOS 3
Replaced by
watchOS 5

watchOS 4 (codenamed Fortune) is the fourth version of watchOS that was released on 19 September 2017. It was first announced at the WWDC keynote on 5 June 2017.

List of known builds[edit | edit source]

watchOS 4.0[edit | edit source]

watchOS 4.0.1[edit | edit source]

watchOS 4.1[edit | edit source]

watchOS 4.2[edit | edit source]

watchOS 4.2.2[edit | edit source]

watchOS 4.2.3[edit | edit source]

watchOS 4.3[edit | edit source]

watchOS 4.3.1[edit | edit source]

watchOS 4.3.2[edit | edit source]