watchOS 5.3.7

watchOS

Version

5.3.7

Build ID

16U674

File Size

50.13 MB

Release Date

2020-05-18T17:31:40Z

Update Type

Normal release

Delta update - requires 5.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 5.3.7 (build 16U674) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2020-05-18T17:31:40Z. The update package is 50.13 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 b1f9c727461d4d5b92e2fe295c4ffe94061b1b52.zip.

Direct URL

http://updates-http.cdn-apple.com/2020SpringFCS/patches/061-97535/B953B2CF-E42C-43EB-A9B2-C3A9E9242398/com_apple_MobileAsset_SoftwareUpdate/b1f9c727461d4d5b92e2fe295c4ffe94061b1b52.zip