watchOS 5.3

watchOS

Version

5.3

Build ID

16U6569

File Size

169.29 MB

Release Date

2019-07-22T19:17:16Z

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 (42mm, LTE) →

About This Update

watchOS 5.3 (build 16U6569) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2019-07-22T19:17:16Z. The update package is 169.29 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 1b91cadfeb5291dc9bf2339afed0731da2aa27dc.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-56250/9A89766E-A75F-11E9-ACA8-DB427A03451F/com_apple_MobileAsset_SoftwareUpdate/1b91cadfeb5291dc9bf2339afed0731da2aa27dc.zip