watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

882.41 MB

Release Date

2019-07-22T17:29:35Z

Update Type

Normal release

Delta update - requires 4.2 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 2019-07-22T17:29:35Z. The update package is 882.41 MB. This is a delta (partial) update that requires 4.2 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 58f34f9a6d4c5b972fc33b933788b6d62b4aff04.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-51902/72F08D68-A75F-11E9-92FD-EA7060A6107A/com_apple_MobileAsset_SoftwareUpdate/58f34f9a6d4c5b972fc33b933788b6d62b4aff04.zip