watchOS 5.3.9

watchOS

Version

5.3.9

Build ID

16U693

File Size

39.64 MB

Release Date

2020-11-05T18:19:47Z

Update Type

Normal release

Delta update - requires 5.3.7 installed first.

Download OTA

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

About This Update

watchOS 5.3.9 (build 16U693) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2020-11-05T18:19:47Z. The update package is 39.64 MB. This is a delta (partial) update that requires 5.3.7 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 3cc08654f313a946e7be91ae945a869b45978966.zip.

Direct URL

http://updates-http.cdn-apple.com/2020FallFCS/patches/001-73312/31CB2624-7700-43F5-A353-09447EC22EEE/com_apple_MobileAsset_SoftwareUpdate/3cc08654f313a946e7be91ae945a869b45978966.zip