WatchOS

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watchOS is the software for Apple Watch. The software can be updated by the paired iPhone in the Apple Watch app. The current version for watchOS is 2.2.2 .

WatchOS1 History

WatchOS 1.0

• Based on iOS Version 8.2
• Release Date: April 24th, 2015
• Build Number: 12S507

WatchOS 1.0.1

• Based on iOS Version 8.3
• Release Date: May 19th, 2015
• Build Number: 12S632

WatchOS 2.0

• Based on iOS Version 9.0
• Release Date: September 21st, 2015
• Build Number: 13S344

WatchOS 2.0.1

• Based on iOS Version 9.1
• Release Date: October 21st, 2015
• Build Number: 13S428

WatchOS2 History

WatchOS 2.1

• Based on iOS Version 9.2
• Release Date: December 8th, 2015
• Build Number: 13S661

WatchOS 2.2

• Based on iOS Version 9.3
• Release Date: March 21st, 2016
• Build Number: 13V144

WatchOS 2.2.1

• Based on iOS Version 9.3.2
• Release Date: May 16th, 2016
• Build Number: 13V420

WatchOS 2.2.2 (Current Version)

• Based on iOS Version 9.3.3
• Release Date: July 18th, 2016
• Build Number: 13V604

WatchOS3 History

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WatchOS 3.0 Beta 3 (Current Beta)

• Based on iOS Version 10.0
• Release Date: July 18th, 2016
• Build Number: 14S5290d