watchOS 5.3.7

watchOS

Version

5.3.7

Build ID

16U674

File Size

64.3 MB

Release Date

2020-05-18T17:31:50Z

Update Type

Normal release

Delta update - requires 5.3.5 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (42mm, LTE) →

About This Update

watchOS 5.3.7 (build 16U674) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2020-05-18T17:31:50Z. The update package is 64.3 MB. This is a delta (partial) update that requires 5.3.5 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 6eacec51c2e911f86fd2125529cc60e6eea6e62d.zip.

Direct URL

http://updates-http.cdn-apple.com/2020SpringFCS/patches/061-97917/D18715B8-9CA5-4254-A274-A43739A9DCFF/com_apple_MobileAsset_SoftwareUpdate/6eacec51c2e911f86fd2125529cc60e6eea6e62d.zip