watchOS 5.0.1 (build 16R382) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm, LTE), released on 2018-09-27T20:09:24Z. The update package is 1.37 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: 0a305805064c908b83bb47d1a91427a5b9eea1bb.zip.