watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

532.3 MB

Release Date

2019-07-22T19:14:40Z

Update Type

Normal release

Delta update - requires 5.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm, LTE) →

About This Update

watchOS 5.3 (build 16U569) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2019-07-22T19:14:40Z. The update package is 532.3 MB. This is a delta (partial) update that requires 5.0 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 5676ffc84e4cbcdc0c07bc7c4c0249f710c76ec3.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-51600/DF828D2A-A75D-11E9-B249-D3C1041A50F0/com_apple_MobileAsset_SoftwareUpdate/5676ffc84e4cbcdc0c07bc7c4c0249f710c76ec3.zip