watchOS 4.2

watchOS

Version

4.2

Build ID

15S5102b

File Size

1.51 GB

Release Date

2017-11-17T18:18:01Z

Update Type

Normal release

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm) →

About This Update

watchOS 4.2 (build 15S5102b) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2017-11-17T18:18:01Z. The update package is 1.51 GB. 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 downloaded and applied on-device through Settings.

The OTA payload file is 2037350056a8310d9141d42d5d750262dba9c5d8.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-47487-20171117-B1864678-CA41-11E7-95A8-59AC674CD23E/com_apple_MobileAsset_SoftwareUpdate/2037350056a8310d9141d42d5d750262dba9c5d8.zip