watchOS 3.0 (build 14S5247t) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-06-13T19:31:40Z. The update package is 454.41 MB. This is a delta (partial) update that requires 2.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0a5c78d82de01a6cfaaccbb133f5ac8a538e1fdb.zip.