About This Update
watchOS 5.3.1
(build 16U600) is an official Apple
over-the-air update for the Apple Watch Series 4 (44mm, LTE),
released on 2019-08-26T17:17:10Z.
The update package is 494.55 MB.
This is a delta (partial) update that requires
5.1 already installed.
This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.
Payload file: 052d177e208595e4a80b4bb5b871d371f088874a.zip.
Direct URL
http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-92066/496FA342-C501-11E9-A4CC-93CC51566A18/com_apple_MobileAsset_SoftwareUpdate/052d177e208595e4a80b4bb5b871d371f088874a.zip
Filename
052d177e208595e4a80b4bb5b871d371f088874a.zip
Other Devices
