watchOS 5.3.4

watchOS

Version

5.3.4

Build ID

16U627

File Size

58.61 MB

Release Date

2019-12-10T18:22:27Z

Update Type

Normal release

Delta update - requires 5.3 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 2019-12-10T18:22:27Z. The update package is 58.61 MB. This is a delta (partial) update that requires 5.3 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 6e37629a8cce4b93693d4e2aa1cbc405503cdc40.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallFCS/patches/061-34852/9D37C0D8-0D6B-11EA-8DA5-E901E5F71B75/com_apple_MobileAsset_SoftwareUpdate/6e37629a8cce4b93693d4e2aa1cbc405503cdc40.zip