watchOS 4.2

watchOS

Version

4.2

Build ID

15S5090c

File Size

216.21 MB

Release Date

2017-11-06T18:03:39Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.2 (build 15S5090c) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2017-11-06T18:03:39Z. The update package is 216.21 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 04c21ea23fdaee6a64ef25bc5475e99805307ec1.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-42952-20171102-22B45D78-C027-11E7-8EB5-8332692136F1/com_apple_MobileAsset_SoftwareUpdate/04c21ea23fdaee6a64ef25bc5475e99805307ec1.zip