watchOS 5.0.1 (build 16R382) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2018-09-27T20:09:23Z. The update package is 1.32 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 15303a8ec977513e1a9543707eeb20d7df1db581.zip.