watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

887.36 MB

Release Date

2019-07-22T17:29:31Z

Update Type

Normal release

Delta update - requires 4.1 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 2019-07-22T17:29:31Z. The update package is 887.36 MB. This is a delta (partial) update that requires 4.1 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 236a6ab5a3257f553753c986f4860f2fe0dee582.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-51623/2F4A45DC-A75E-11E9-A056-EBC1E2F97408/com_apple_MobileAsset_SoftwareUpdate/236a6ab5a3257f553753c986f4860f2fe0dee582.zip