watchOS 4.2.2

watchOS

Version

4.2.2

Build ID

15S5534a

File Size

151.84 MB

Release Date

2017-12-19T18:06:15Z

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) →

About This Update

watchOS 4.2.2 (build 15S5534a) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2017-12-19T18:06:15Z. The update package is 151.84 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 a28c3acf0be2e58a98a1e4f5901d3a9d0ec3c236.zip.

Direct URL

http://appldnld.apple.com/watchos4.2.2seed/091-56251-20171218-74228D82-E11B-11E7-B1B5-91395466F20E/com_apple_MobileAsset_SoftwareUpdate/a28c3acf0be2e58a98a1e4f5901d3a9d0ec3c236.zip