watchOS 6.1.1 (build 17S5433b) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-11-05T18:17:59Z. The update package is 542.54 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: 97f13f8b1a28da7b2e557aa99bf69a3c1ce53768.zip.