watchOS 4.2

watchOS

Version

4.2

Build ID

15S5085b

File Size

190.71 MB

Release Date

2017-10-30T22:07:18Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 4.2 (build 15S5085b) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2017-10-30T22:07:18Z. The update package is 190.71 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 b72ee586acfebce7f1dc139eb30fd5054b245339.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-41412-20171031-150CB1FA-BB47-11E7-8225-7E1A52DBC410/com_apple_MobileAsset_SoftwareUpdate/b72ee586acfebce7f1dc139eb30fd5054b245339.zip