watchOS 5.3.6

watchOS

Version

5.3.6

Build ID

16U662

File Size

52.36 MB

Release Date

2020-03-24T17:21:34Z

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 (44mm, LTE) →

About This Update

watchOS 5.3.6 (build 16U662) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm, LTE), released on 2020-03-24T17:21:34Z. The update package is 52.36 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 3f4f481eb44a0f359d09478e0641f4e00826555e.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-87926/8C7D1BB2-C95C-4390-9AA8-1088F52D09B0/com_apple_MobileAsset_SoftwareUpdate/3f4f481eb44a0f359d09478e0641f4e00826555e.zip