watchOS 5.3.7

watchOS

Version

5.3.7

Build ID

16U674

File Size

53.71 MB

Release Date

2020-05-18T17:32:03Z

Update Type

Normal release

Delta update - requires 5.3.4 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 2020-05-18T17:32:03Z. The update package is 53.71 MB. This is a delta (partial) update that requires 5.3.4 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 ab584a1a9aaaeade42f06c03ba382621fc95b767.zip.

Direct URL

http://updates-http.cdn-apple.com/2020SpringFCS/patches/061-97705/1E0A5426-80BF-4534-A7B2-8EE9F3080351/com_apple_MobileAsset_SoftwareUpdate/ab584a1a9aaaeade42f06c03ba382621fc95b767.zip