watchOS 4.2

watchOS

Version

4.2

Build ID

15S5102b

File Size

182.07 MB

Release Date

2017-11-17T18:17:16Z

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 (42mm) →

About This Update

watchOS 4.2 (build 15S5102b) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2017-11-17T18:17:16Z. The update package is 182.07 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 bed966656d2cc61c71ccceea235cc2494382de5b.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-47441-20171117-8C806E32-CA3A-11E7-9928-C38C674CD23E/com_apple_MobileAsset_SoftwareUpdate/bed966656d2cc61c71ccceea235cc2494382de5b.zip