watchOS 5.3.7

watchOS

Version

5.3.7

Build ID

16U674

File Size

50.17 MB

Release Date

2020-05-18T17:31:42Z

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 (42mm) →

About This Update

watchOS 5.3.7 (build 16U674) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2020-05-18T17:31:42Z. The update package is 50.17 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 4be4e44880dfb2874596f0ff24c7335357e78fa4.zip.

Direct URL

http://updates-http.cdn-apple.com/2020SpringFCS/patches/061-97549/E19C8B8D-8995-4A15-AEA4-22FB7719715B/com_apple_MobileAsset_SoftwareUpdate/4be4e44880dfb2874596f0ff24c7335357e78fa4.zip