watchOS 6.1 (build 17S5054e) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-09-23T17:03:46Z. The update package is 567.62 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: a4bf8df135659856beedfeb7f5becb2b6c9338bb.zip.