watchOS 5.3

watchOS

Version

5.3

Build ID

16U6569

File Size

160.17 MB

Release Date

2019-07-22T19:20:15Z

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 4 (40mm, LTE) →

About This Update

watchOS 5.3 (build 16U6569) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm, LTE), released on 2019-07-22T19:20:15Z. The update package is 160.17 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 30ae7780fd15d054a2d620ca6a0b03a771aac35a.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-56463/9F602250-A75F-11E9-BD04-FF0A1C31333B/com_apple_MobileAsset_SoftwareUpdate/30ae7780fd15d054a2d620ca6a0b03a771aac35a.zip