watchOS 5.3

watchOS

Version

5.3

Build ID

16U6569

File Size

138.34 MB

Release Date

2019-07-22T17:28:32Z

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 1 (42mm) →

About This Update

watchOS 5.3 (build 16U6569) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-07-22T17:28:32Z. The update package is 138.34 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 46839c7f49800ad3f56ce00686744f716f6756c3.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-56466/A4FDEFF8-A75F-11E9-9471-C6A93F22939A/com_apple_MobileAsset_SoftwareUpdate/46839c7f49800ad3f56ce00686744f716f6756c3.zip