watchOS 5.3.4

watchOS

Version

5.3.4

Build ID

16U627

File Size

47.02 MB

Release Date

2019-12-10T18:22:20Z

Update Type

Normal release

Delta update - requires 5.3.1 installed first.

Download OTA

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

About This Update

watchOS 5.3.4 (build 16U627) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2019-12-10T18:22:20Z. The update package is 47.02 MB. This is a delta (partial) update that requires 5.3.1 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is d4a1e67ee20ea3eec7f43b2c86cdefef5942d571.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallFCS/patches/061-34973/172E6612-0D6C-11EA-90A5-2613E5F71B75/com_apple_MobileAsset_SoftwareUpdate/d4a1e67ee20ea3eec7f43b2c86cdefef5942d571.zip