watchOS 5.3.9

watchOS

Version

5.3.9

Build ID

16U693

File Size

451.88 MB

Release Date

2020-12-14T18:08:44Z

Update Type

Normal release

Delta update - requires 5.1.2 installed first.

Download OTA

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

About This Update

watchOS 5.3.9 (build 16U693) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2020-12-14T18:08:44Z. The update package is 451.88 MB. This is a delta (partial) update that requires 5.1.2 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 9c97122bfb80b5cc8a30a07e6532f8d0969ea77f.zip.

Direct URL

http://updates-http.cdn-apple.com/2020FallFCS/patches/001-54179/CFBF721C-114C-4B9F-8FD5-7CECAECB24BB/com_apple_MobileAsset_SoftwareUpdate/9c97122bfb80b5cc8a30a07e6532f8d0969ea77f.zip