watchOS 4.2.2

watchOS

Version

4.2.2

Build ID

15S5534a

File Size

150.6 MB

Release Date

2017-12-19T18:06:12Z

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 (38mm) →

About This Update

watchOS 4.2.2 (build 15S5534a) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2017-12-19T18:06:12Z. The update package is 150.6 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 f66d98df1d4e46ef99caab1277157ba5c1ab0fbe.zip.

Direct URL

http://appldnld.apple.com/watchos4.2.2seed/091-56300-20171218-8F57A6BE-E11B-11E7-B473-C03E5466F20E/com_apple_MobileAsset_SoftwareUpdate/f66d98df1d4e46ef99caab1277157ba5c1ab0fbe.zip