watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

968.16 MB

Release Date

2018-11-05T18:05:33Z

Update Type

Normal release

Delta update - requires 3.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2018-11-05T18:05:33Z. The update package is 968.16 MB. This is a delta (partial) update that requires 3.1 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 267cb7f161aa3b8e5aeb4af736ec12b977da37e5.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19191/D7FABD1C-DD4F-11E8-8238-B1FF16413BB0/com_apple_MobileAsset_SoftwareUpdate/267cb7f161aa3b8e5aeb4af736ec12b977da37e5.zip