About This Update
watchOS 6.3
(build 17U216) is an official Apple
over-the-air update for the Apple Watch Series 4 (44mm),
released on 2021-01-26T18:26:59Z.
The update package is 126.87 MB.
This is a delta (partial) update that requires
6.2.6 already installed.
This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.
Payload file: 4337327a53042b2e36c4732fc243426c0692da40.zip.
Direct URL
http://updates-http.cdn-apple.com/2021WinterFCS/patches/001-88725/EB2ED9D8-834A-4A5B-8B3D-DBAEB5EB10BB/com_apple_MobileAsset_SoftwareUpdate/4337327a53042b2e36c4732fc243426c0692da40.zip
Filename
4337327a53042b2e36c4732fc243426c0692da40.zip
Other Devices
