watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

772.2 MB

Release Date

2018-11-05T18:05:46Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2018-11-05T18:05:46Z. The update package is 772.2 MB. This is a delta (partial) update that requires 4.0 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 9d3e3b9126e981c6caee0c961008b1c3fcd6c2dd.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19051/749A9932-DD4E-11E8-9E7A-E69AFD1BCBE8/com_apple_MobileAsset_SoftwareUpdate/9d3e3b9126e981c6caee0c961008b1c3fcd6c2dd.zip