watchOS 5.0 (build 16R5283r) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2018-06-11T17:07:19Z. The update package is 36.56 MB. This is a delta (partial) update that requires 5.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1d771211ac3eb0b680a2ee2c74c26488c9c5a965.zip.