watchOS 5.3.9

watchOS

Version

5.3.9

Build ID

16U693

File Size

467.1 MB

Release Date

2020-12-14T18:08:59Z

Update Type

Normal release

Delta update - requires 5.1.1 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 2020-12-14T18:08:59Z. The update package is 467.1 MB. This is a delta (partial) update that requires 5.1.1 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 6617cd1ddb77cbec81856ed6ee75926521726b23.zip.

Direct URL

http://updates-http.cdn-apple.com/2020FallFCS/patches/001-54072/71494E8D-44F4-46D4-9E99-EABBD1866E40/com_apple_MobileAsset_SoftwareUpdate/6617cd1ddb77cbec81856ed6ee75926521726b23.zip