watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U113

File Size

452.61 MB

Release Date

2019-05-13T17:17:53Z

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 4 (40mm) →

About This Update

watchOS 5.2.1 (build 16U113) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2019-05-13T17:17:53Z. The update package is 452.61 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 c90e7d4af26ec15e42e3332bfa93de5264c4898e.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-30469/D7ADFFE4-7049-11E9-8BFB-AB2383443981/com_apple_MobileAsset_SoftwareUpdate/c90e7d4af26ec15e42e3332bfa93de5264c4898e.zip