watchOS 6.0 (build 17R575) is an official Apple over-the-air update for the Apple Watch Series 5 (44mm, LTE), released on 2019-09-11T18:38:38Z. The update package is 1.38 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: 82f6849cbcd0d60f2789d6bdc0a291433d79f187.zip.