getIPSW
Apple Watch Series 3 (42mm, LTE) Apple Watch Series 3 (42mm, LTE) Watch3,2
OTA Update Unsigned 15S5534a

watchOS 4.2.2

OS
watchOS
Version
4.2.2
Build ID
15S5534a
File Size
48.43 MB
Release Date
2017-12-19T18:06:07Z
Update Type
Normal release
Delta update - requires 4.2.2 installed first.

About This Update

watchOS 4.2.2 (build 15S5534a) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2017-12-19T18:06:07Z. The update package is 48.43 MB. This is a delta (partial) update that requires 4.2.2 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 f0a48ff37e6a6a4e61ed31db63ecdfe1faf03893.zip.

Direct URL

http://appldnld.apple.com/watchos4.2.2seed/091-56273-20171218-C8283314-E11B-11E7-BC8F-124C5466F20E/com_apple_MobileAsset_SoftwareUpdate/f0a48ff37e6a6a4e61ed31db63ecdfe1faf03893.zip

Filename

f0a48ff37e6a6a4e61ed31db63ecdfe1faf03893.zip

Other Devices

© 2026 getIPSW. Firmware data provided by ipswdl.com API. Not affiliated with Apple Inc.