watchOS 5.1

watchOS

Version

5.1

Build ID

16R5568d

File Size

734.34 MB

Release Date

2018-10-02T17:14:06Z

Update Type

Normal release

Delta update - requires 4.3.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 5.1 (build 16R5568d) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2018-10-02T17:14:06Z. The update package is 734.34 MB. This is a delta (partial) update that requires 4.3.2 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 2f2577ed4aa51c19457c7f7c3c1121c637665935.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-08364/A18C9D80-C275-11E8-85BD-EE685214516C/com_apple_MobileAsset_SoftwareUpdate/2f2577ed4aa51c19457c7f7c3c1121c637665935.zip