watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

114.75 MB

Release Date

2019-07-22T19:19:24Z

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 3 (42mm) →

About This Update

watchOS 5.3 (build 16U569) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2019-07-22T19:19:24Z. The update package is 114.75 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 no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is 45618ed6c013430bff1b382c0f172a2b77e681b3.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-63558/C7B55522-A75F-11E9-92E6-A8904CF99D9D/com_apple_MobileAsset_SoftwareUpdate/45618ed6c013430bff1b382c0f172a2b77e681b3.zip