watchOS 4.2

watchOS

Version

4.2

Build ID

15S6102

File Size

41.43 MB

Release Date

2017-12-05T18:00:59Z

Update Type

Normal release

Delta update - requires 4.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch (42mm) →

About This Update

watchOS 4.2 (build 15S6102) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-12-05T18:00:59Z. The update package is 41.43 MB. This is a delta (partial) update that requires 4.2 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is 492d30d5509fa8ceeb2a7ed80621dfb459841929.zip.

Direct URL

http://appldnld.apple.com/watchos4.2/091-48268-20171204-292202DC-D481-11E7-88E2-DF442EDC3D3E/com_apple_MobileAsset_SoftwareUpdate/492d30d5509fa8ceeb2a7ed80621dfb459841929.zip