watchOS 6.0

watchOS

Version

6.0

Build ID

17R5571a

File Size

683.6 MB

Release Date

2019-08-21T17:11:40Z

Update Type

Normal release

Delta update - requires 5.2.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (40mm) →

About This Update

watchOS 6.0 (build 17R5571a) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2019-08-21T17:11:40Z. The update package is 683.6 MB. This is a delta (partial) update that requires 5.2.1 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is 4111b87889218af5251a9f5a341533767c274f81.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerSeed/patches/061-03288/90401CCE-C2B9-11E9-8413-ACA4D155D926/com_apple_MobileAsset_SoftwareUpdate/4111b87889218af5251a9f5a341533767c274f81.zip