watchOS 5.3.9

watchOS

Version

5.3.9

Build ID

16U693

File Size

99.7 MB

Release Date

2020-12-14T18:08:24Z

Update Type

Normal release

Delta update - requires 5.2.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 5.3.9 (build 16U693) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2020-12-14T18:08:24Z. The update package is 99.7 MB. This is a delta (partial) update that requires 5.2.1 to already be installed on the device - it cannot be applied from scratch. This update is currently signed by Apple, so it can be applied directly from Settings › General › Software Update.

The OTA payload file is a240b512959ede625d09e47ec2bea322343b1f5c.zip.

Direct URL

http://updates-http.cdn-apple.com/2020FallFCS/patches/001-54089/6CEBE792-4440-4361-BCF7-314ACFB3F838/com_apple_MobileAsset_SoftwareUpdate/a240b512959ede625d09e47ec2bea322343b1f5c.zip