watchOS 5.3.4

watchOS

Version

5.3.4

Build ID

16U627

File Size

55.49 MB

Release Date

2019-12-10T18:22:27Z

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 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 55.49 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 9c93b7e17418c6bf7f0425facabb901ed4217c03.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallFCS/patches/061-35069/889D31E8-0D6C-11EA-AFC7-1325E5F71B75/com_apple_MobileAsset_SoftwareUpdate/9c93b7e17418c6bf7f0425facabb901ed4217c03.zip