watchOS 4.2

watchOS

Version

4.2

Build ID

15S5102b

File Size

236.18 MB

Release Date

2017-11-17T18:17:07Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.2 (build 15S5102b) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2017-11-17T18:17:07Z. The update package is 236.18 MB. This is a delta (partial) update that requires 4.0 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 3858c2fe3145ed5817c2540ec0dc91f3432184e8.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-47528-20171117-C2D1FDF2-CA3A-11E7-AD2A-0A93674CD23E/com_apple_MobileAsset_SoftwareUpdate/3858c2fe3145ed5817c2540ec0dc91f3432184e8.zip