watchOS 5.3.7

watchOS

Version

5.3.7

Build ID

16U674

File Size

58.87 MB

Release Date

2020-05-18T17:32:02Z

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, LTE) →

About This Update

watchOS 5.3.7 (build 16U674) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm, LTE), released on 2020-05-18T17:32:02Z. The update package is 58.87 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 d92ccafdf4fdd76ef4fe35c470b1c12bb98583e0.zip.

Direct URL

http://updates-http.cdn-apple.com/2020SpringFCS/patches/061-97949/F07E8A63-C02D-40B0-A3D8-F29573D902AC/com_apple_MobileAsset_SoftwareUpdate/d92ccafdf4fdd76ef4fe35c470b1c12bb98583e0.zip