watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

172.35 MB

Release Date

2019-07-22T19:18:17Z

Update Type

Normal release

Delta update - requires 5.2 installed first.

Download OTA

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

About This Update

watchOS 5.3 (build 16U569) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-07-22T19:18:17Z. The update package is 172.35 MB. This is a delta (partial) update that requires 5.2 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 dbfe97581e9ba8a35b32f9e299d64319b1004219.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-51679/814EFF08-A75E-11E9-8F32-A4037C0BF20E/com_apple_MobileAsset_SoftwareUpdate/dbfe97581e9ba8a35b32f9e299d64319b1004219.zip