watchOS 6.1 (build 17S5054e) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-09-23T17:03:49Z. The update package is 413.63 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: 55c5c321c2758d0e61277eced2572d6624ed2950.zip.