watchOS 5.3.6

watchOS

Version

5.3.6

Build ID

16U662

File Size

46.27 MB

Release Date

2020-03-24T17:21:28Z

Update Type

Normal release

Delta update - requires 5.3.5 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (40mm) →

About This Update

watchOS 5.3.6 (build 16U662) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2020-03-24T17:21:28Z. The update package is 46.27 MB. This is a delta (partial) update that requires 5.3.5 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 8fc0654918a6aa44c289062ffcfff1463da9eb20.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-87207/0ED7D130-6818-4057-BAFF-148068879036/com_apple_MobileAsset_SoftwareUpdate/8fc0654918a6aa44c289062ffcfff1463da9eb20.zip