watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

991.14 MB

Release Date

2019-07-22T17:26:23Z

Update Type

Normal release

Delta update - requires 3.2.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 5.3 (build 16U569) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-07-22T17:26:23Z. The update package is 991.14 MB. This is a delta (partial) update that requires 3.2.2 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 d1d94fcf5738d2ba1562af61f02bff1245790c87.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-51772/D56F1AB4-A75E-11E9-96CC-A18EDC66313E/com_apple_MobileAsset_SoftwareUpdate/d1d94fcf5738d2ba1562af61f02bff1245790c87.zip