watchOS 3.0 (build 14S5290d) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-07-18T16:53:08Z. The update package is 915.88 MB. 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: 1d4aa98b47e199e1f36730e46beb7108a9c632ce.zip.