watchOS 4.2.2

watchOS

Version

4.2.2

Build ID

15S5540a

File Size

132.8 MB

Release Date

2018-01-09T18:12:41Z

Update Type

Normal release

Delta update - requires 4.1 installed first.

Download OTA

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

About This Update

watchOS 4.2.2 (build 15S5540a) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2018-01-09T18:12:41Z. The update package is 132.8 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 b04790b9805290768cdcef7e3de80964a2d31c4a.zip.

Direct URL

http://appldnld.apple.com/watchos4.2.2seed/091-59163-20180109-C585BFFA-F246-11E7-9A0E-D3EE3A84D6FD/com_apple_MobileAsset_SoftwareUpdate/b04790b9805290768cdcef7e3de80964a2d31c4a.zip