watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R6600

File Size

77.39 MB

Release Date

2018-11-05T18:06:51Z

Update Type

Normal release

Delta update - requires 5.1 installed first.

Download OTA

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

About This Update

watchOS 5.1.1 (build 16R6600) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2018-11-05T18:06:51Z. The update package is 77.39 MB. This is a delta (partial) update that requires 5.1 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 e8cee0d91db11af81cafb3ac81564a1d8d0a672b.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19211/20E40F56-DD50-11E8-B605-BBB3847B318B/com_apple_MobileAsset_SoftwareUpdate/e8cee0d91db11af81cafb3ac81564a1d8d0a672b.zip