watchOS 6.3

watchOS

Version

6.3

Build ID

17U208

File Size

58 MB

Release Date

2020-12-14T18:09:10Z

Update Type

Normal release

Delta update - requires 6.2.9 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 6.3 (build 17U208) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2020-12-14T18:09:10Z. The update package is 58 MB. This is a delta (partial) update that requires 6.2.9 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 01c963531879b01f292363437287d7d3a9eb11b8.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/001-82702/FBCE0E24-F987-4B2E-8BF3-2D06E6274D13/com_apple_MobileAsset_SoftwareUpdate/01c963531879b01f292363437287d7d3a9eb11b8.zip