watchOS 4.2

watchOS

Version

4.2

Build ID

15S5085b

File Size

178.79 MB

Release Date

2017-10-30T22:07:01Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.2 (build 15S5085b) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-10-30T22:07:01Z. The update package is 178.79 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 cb8e8fe1045fdd0f8b19dda2265e57c13ed3ffef.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-41409-20171031-FD147FB0-BB46-11E7-9DCB-E31652DBC410/com_apple_MobileAsset_SoftwareUpdate/cb8e8fe1045fdd0f8b19dda2265e57c13ed3ffef.zip