watchOS 4.2

watchOS

Version

4.2

Build ID

15S102

File Size

615.26 MB

Release Date

2017-12-05T18:01:19Z

Update Type

Normal release

Delta update - requires 3.1.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (42mm) →

About This Update

watchOS 4.2 (build 15S102) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2017-12-05T18:01:19Z. The update package is 615.26 MB. This is a delta (partial) update that requires 3.1.3 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 0fa0f973b6db0df7e3ca5301092294dc624a5b5c.zip.

Direct URL

http://appldnld.apple.com/watchos4.2/091-19321-20171204-F2F563F8-D47F-11E7-889C-47232EDC3D3E/com_apple_MobileAsset_SoftwareUpdate/0fa0f973b6db0df7e3ca5301092294dc624a5b5c.zip