watchOS 6.0 (build 17R5532f) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-07-17T17:43:29Z. The update package is 1.34 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: 6524364517e4af864dd14d6fc43feaad7191f90d.zip.