watchOS 5.3

watchOS

Version

5.3

Build ID

16U569

File Size

502.29 MB

Release Date

2019-07-22T19:18:58Z

Update Type

Normal release

Delta update - requires 5.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (42mm) →

About This Update

watchOS 5.3 (build 16U569) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2019-07-22T19:18:58Z. The update package is 502.29 MB. This is a delta (partial) update that requires 5.0 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 948d214f16528d3752e82302e8c26e8779795e32.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SummerFCS/patches/041-51617/26ED4100-A75E-11E9-B3BC-8F4B48F583AD/com_apple_MobileAsset_SoftwareUpdate/948d214f16528d3752e82302e8c26e8779795e32.zip