watchOS 5.3.6

watchOS

Version

5.3.6

Build ID

16U662

File Size

65.09 MB

Release Date

2020-03-24T17:21:22Z

Update Type

Normal release

Delta update - requires 5.3.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm) →

About This Update

watchOS 5.3.6 (build 16U662) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2020-03-24T17:21:22Z. The update package is 65.09 MB. This is a delta (partial) update that requires 5.3.1 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 51dea26451855e9899c0a749676bfcc07c86bceb.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-74041/E84FA3F5-0375-4B73-BADE-22E00631C80F/com_apple_MobileAsset_SoftwareUpdate/51dea26451855e9899c0a749676bfcc07c86bceb.zip