watchOS 6.3

watchOS

Version

6.3

Build ID

17U6208

File Size

122.94 MB

Release Date

2020-12-14T18:08:56Z

Update Type

Normal release

Delta update - requires 6.2.8 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 6.3 (build 17U6208) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2020-12-14T18:08:56Z. The update package is 122.94 MB. This is a delta (partial) update that requires 6.2.8 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 01cf05383f29f2b3595e2b5d27eb7ba3d19c2ad6.zip.

Direct URL

http://updates-http.cdn-apple.com/2020FallFCS/patches/001-86482/362BCA26-1F71-4964-B60E-47F289D86379/com_apple_MobileAsset_SoftwareUpdate/01cf05383f29f2b3595e2b5d27eb7ba3d19c2ad6.zip