watchOS 5.0.1 (build 16R381) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-09-27T20:08:20Z. The update package is 958.18 MB. This is a delta (partial) update that requires 3.2.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 492ed06fc86e09a69c0bab616accc0bdc29c98c8.zip.