watchOS 5.3.7

watchOS

Version

5.3.7

Build ID

16U674

File Size

56.92 MB

Release Date

2020-05-18T17:32:02Z

Update Type

Normal release

Delta update - requires 5.3.2 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 56.92 MB. This is a delta (partial) update that requires 5.3.2 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 32a5178b01084f6a564a387bcd654de8c10e19c6.zip.

Direct URL

http://updates-http.cdn-apple.com/2020SpringFCS/patches/061-97572/88A51E5F-B735-4E12-B2EF-5AC9A8A07CF4/com_apple_MobileAsset_SoftwareUpdate/32a5178b01084f6a564a387bcd654de8c10e19c6.zip