watchOS 5.3.4

watchOS

Version

5.3.4

Build ID

16U627

File Size

45.84 MB

Release Date

2019-12-10T18:22:28Z

Update Type

Normal release

Delta update - requires 5.3.3 installed first.

Download OTA

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

About This Update

watchOS 5.3.4 (build 16U627) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2019-12-10T18:22:28Z. The update package is 45.84 MB. This is a delta (partial) update that requires 5.3.3 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 23d40d0414245a32f5af905d625c0a575124c374.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallFCS/patches/061-46787/9EB50A34-0D6A-11EA-AE66-A4214F01D1AC/com_apple_MobileAsset_SoftwareUpdate/23d40d0414245a32f5af905d625c0a575124c374.zip