watchOS 6.3

watchOS

Version

6.3

Build ID

17U208

File Size

58.69 MB

Release Date

2020-12-14T18:09:10Z

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 (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 58.69 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 84febc1ec00c42eefd032cf4240270135bb4531f.zip.

Direct URL

http://updates-http.cdn-apple.com/2020FallFCS/patches/001-86477/D25D45E0-FC42-4181-ADC2-F07D75D25DDB/com_apple_MobileAsset_SoftwareUpdate/84febc1ec00c42eefd032cf4240270135bb4531f.zip