watchOS 4.2

watchOS

Version

4.2

Build ID

15S5085b

File Size

194.79 MB

Release Date

2017-10-30T22:07:37Z

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 15S5085b) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2017-10-30T22:07:37Z. The update package is 194.79 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 c61af26358123c4049a2291212901d0ab26ea260.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-41467-20171031-20010002-BB47-11E7-BA1B-461C52DBC410/com_apple_MobileAsset_SoftwareUpdate/c61af26358123c4049a2291212901d0ab26ea260.zip