watchOS 5.3.7

watchOS

Version

5.3.7

Build ID

16U674

File Size

69.97 MB

Release Date

2020-05-18T17:31:54Z

Update Type

Normal release

Delta update - requires 5.3 installed first.

Download OTA

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

About This Update

watchOS 5.3.7 (build 16U674) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2020-05-18T17:31:54Z. The update package is 69.97 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 d6bc24b0dd308ceb2f992e65c5e15b421aa18745.zip.

Direct URL

http://updates-http.cdn-apple.com/2020SpringFCS/patches/061-97718/631437A3-9331-4A6A-9591-B12BCDEC3DC6/com_apple_MobileAsset_SoftwareUpdate/d6bc24b0dd308ceb2f992e65c5e15b421aa18745.zip