watchOS 6.1 (build 17S5068e) is an official Apple over-the-air update for the Apple Watch Series 5 (40mm, LTE), released on 2019-10-10T17:09:25Z. The update package is 359.05 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: c765d667229b878a2e37a19add6a874b0516cb61.zip.