watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U113

File Size

467.97 MB

Release Date

2019-05-13T17:17:21Z

Update Type

Normal release

Delta update - requires 5.1.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm) →

About This Update

watchOS 5.2.1 (build 16U113) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-05-13T17:17:21Z. The update package is 467.97 MB. This is a delta (partial) update that requires 5.1.3 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 366bf9cfca21fc4b305a621c590d32488b3fe1b7.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-33672/F4EDDCD2-7049-11E9-B788-F92783443981/com_apple_MobileAsset_SoftwareUpdate/366bf9cfca21fc4b305a621c590d32488b3fe1b7.zip