watchOS 5.3.9

watchOS

Version

5.3.9

Build ID

16U693

File Size

51.51 MB

Release Date

2020-11-05T18:19:53Z

Update Type

Normal release

Delta update - requires 5.3.6 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (40mm, LTE) →

About This Update

watchOS 5.3.9 (build 16U693) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm, LTE), released on 2020-11-05T18:19:53Z. The update package is 51.51 MB. This is a delta (partial) update that requires 5.3.6 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 af3d7c6078b90316586458081688eec465421c20.zip.

Direct URL

http://updates-http.cdn-apple.com/2020FallFCS/patches/001-73226/84D697DD-34A4-4C8E-A826-F02AC7AB0340/com_apple_MobileAsset_SoftwareUpdate/af3d7c6078b90316586458081688eec465421c20.zip