watchOS 5.3

watchOS

Version

5.3

Build ID

16U6569

File Size

156.47 MB

Release Date

2019-07-22T19:18:28Z

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 (38mm) →

About This Update

watchOS 5.3 (build 16U6569) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-07-22T19:18:28Z. The update package is 156.47 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 d5a1ae7602bb2a4067dc9e506b87f3c7925e8121.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-56465/A0D241B8-A75F-11E9-AC2C-8533E49CB50F/com_apple_MobileAsset_SoftwareUpdate/d5a1ae7602bb2a4067dc9e506b87f3c7925e8121.zip