watchOS 4.2.2

watchOS

Version

4.2.2

Build ID

15S5540a

File Size

77.1 MB

Release Date

2018-01-09T18:13:42Z

Update Type

Normal release

Delta update - requires 4.2 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 15S5540a) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2018-01-09T18:13:42Z. The update package is 77.1 MB. This is a delta (partial) update that requires 4.2 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 26380ea63f78322866e969f2b3195a9321f66d03.zip.

Direct URL

http://appldnld.apple.com/watchos4.2.2seed/091-59030-20180109-4A9E3C2C-F246-11E7-9AAF-81E33A84D6FD/com_apple_MobileAsset_SoftwareUpdate/26380ea63f78322866e969f2b3195a9321f66d03.zip