watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

114.83 MB

Release Date

2019-07-22T19:18:24Z

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 (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 2019-07-22T19:18:24Z. The update package is 114.83 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 819b5b5865637ee759af6289687eaf4cbd8ee214.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-63564/CA2EE85E-A75F-11E9-8268-DC8A6F320E87/com_apple_MobileAsset_SoftwareUpdate/819b5b5865637ee759af6289687eaf4cbd8ee214.zip