watchOS 4.2

watchOS

Version

4.2

Build ID

15S102

File Size

603.24 MB

Release Date

2017-12-05T18:00:59Z

Update Type

Normal release

Delta update - requires 3.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 4.2 (build 15S102) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2017-12-05T18:00:59Z. The update package is 603.24 MB. This is a delta (partial) update that requires 3.0 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 977b675a0c592393f1945a65b6f481c8c1bf22fa.zip.

Direct URL

http://appldnld.apple.com/watchos4.2/091-19271-20171204-36925AEA-D47F-11E7-9EE5-181A2EDC3D3E/com_apple_MobileAsset_SoftwareUpdate/977b675a0c592393f1945a65b6f481c8c1bf22fa.zip