watchOS 4.2

watchOS

Version

4.2

Build ID

15S5102b

File Size

179.24 MB

Release Date

2017-11-17T18:17:55Z

Update Type

Normal release

Delta update - requires 4.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (42mm, LTE) →

About This Update

watchOS 4.2 (build 15S5102b) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2017-11-17T18:17:55Z. The update package is 179.24 MB. This is a delta (partial) update that requires 4.1 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 da0c3d7281d9fe31d634b49b1bc6578b2006ab73.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-47461-20171117-FD4941C0-CA3A-11E7-A1E5-909D674CD23E/com_apple_MobileAsset_SoftwareUpdate/da0c3d7281d9fe31d634b49b1bc6578b2006ab73.zip