watchOS 5.3

watchOS

Version

5.3

Build ID

16U5558b

File Size

453.64 MB

Release Date

2019-06-24T17:24:56Z

Update Type

Normal release

Delta update - requires 5.1.2 installed first.

Download OTA

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

About This Update

watchOS 5.3 (build 16U5558b) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-06-24T17:24:56Z. The update package is 453.64 MB. This is a delta (partial) update that requires 5.1.2 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 c57db4cc392f6d70f783be6d0ead38bc5261f4b8.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringSeed/patches/041-73691/BAA801F2-939D-11E9-8BF0-E0A02A446F1D/com_apple_MobileAsset_SoftwareUpdate/c57db4cc392f6d70f783be6d0ead38bc5261f4b8.zip