watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

139.99 MB

Release Date

2019-07-22T17:28:10Z

Update Type

Normal release

Delta update - requires 5.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 5.3 (build 16U569) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-07-22T17:28:10Z. The update package is 139.99 MB. This is a delta (partial) update that requires 5.2 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 3c78c0c681ce982e6ad83ccca06b8d89967d106b.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-51906/7C2D1A5E-A75F-11E9-B362-CBC17E4A9207/com_apple_MobileAsset_SoftwareUpdate/3c78c0c681ce982e6ad83ccca06b8d89967d106b.zip