watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U113

File Size

872.62 MB

Release Date

2019-05-13T17:17:28Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 5.2.1 (build 16U113) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2019-05-13T17:17:28Z. The update package is 872.62 MB. This is a delta (partial) update that requires 4.0 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 fd73fcb76a60792c7bc8c7f122da1acf1068f622.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-07176/DEFD9E7C-7048-11E9-ADD5-7F0E83443981/com_apple_MobileAsset_SoftwareUpdate/fd73fcb76a60792c7bc8c7f122da1acf1068f622.zip