watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U113

File Size

841.99 MB

Release Date

2019-05-13T17:17:40Z

Update Type

Normal release

Delta update - requires 4.3.2 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 2019-05-13T17:17:40Z. The update package is 841.99 MB. This is a delta (partial) update that requires 4.3.2 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 d2abdd7ed64796e73bf07c356b63988fe474f657.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-07188/F2E1FCC6-7048-11E9-912F-1A1083443981/com_apple_MobileAsset_SoftwareUpdate/d2abdd7ed64796e73bf07c356b63988fe474f657.zip