watchOS 5.3

watchOS

Version

5.3

Build ID

16U6569

File Size

84.48 MB

Release Date

2019-07-22T17:28:53Z

Update Type

Normal release

Delta update - requires 5.3 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 2019-07-22T17:28:53Z. The update package is 84.48 MB. This is a delta (partial) update that requires 5.3 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 19e91901ee9af7cdcc7f43c6cb9cf71ad0d9e5e6.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-71217/D3921452-A75F-11E9-86B7-A7976DA72EF2/com_apple_MobileAsset_SoftwareUpdate/19e91901ee9af7cdcc7f43c6cb9cf71ad0d9e5e6.zip