watchOS 6.1.1 (build 17S5433b) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-11-05T18:18:21Z. The update package is 471.97 MB. This is a delta (partial) update that requires 6.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 52c005230a0bb4acac9de5ebc995cb224efa2544.zip.