watchOS 6.1.1 (build 17S5433b) is an official Apple over-the-air update for the Apple Watch Series 5 (44mm, LTE), released on 2019-11-05T18:18:53Z. The update package is 189.1 MB. This is a delta (partial) update that requires 6.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3b828b8f70b08a6a746822b366ab34f267760eb8.zip.