watchOS 5.3.9

watchOS

Version

5.3.9

Build ID

16U693

File Size

451.83 MB

Release Date

2020-12-14T18:09:00Z

Update Type

Normal release

Delta update - requires 5.1.3 installed first.

Download OTA

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

About This Update

watchOS 5.3.9 (build 16U693) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2020-12-14T18:09:00Z. The update package is 451.83 MB. This is a delta (partial) update that requires 5.1.3 to already be installed on the device - it cannot be applied from scratch. This update is currently signed by Apple, so it can be applied directly from Settings › General › Software Update.

The OTA payload file is 7f6e3f09243d8e38de7874bab1b6151dd11de326.zip.

Direct URL

http://updates-http.cdn-apple.com/2020FallFCS/patches/001-54038/E6B3C8F7-2720-4E41-B838-8CD22741EC12/com_apple_MobileAsset_SoftwareUpdate/7f6e3f09243d8e38de7874bab1b6151dd11de326.zip