watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U113

File Size

165.57 MB

Release Date

2019-05-13T17:16:44Z

Update Type

Normal release

Delta update - requires 5.2 installed first.

Download OTA

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

About This Update

watchOS 5.2.1 (build 16U113) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-05-13T17:16:44Z. The update package is 165.57 MB. This is a delta (partial) update that requires 5.2 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 591ab76ceb6c62a945a097b4013a1b5765e24c03.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-51380/267EAFF6-704A-11E9-B912-2F3283443981/com_apple_MobileAsset_SoftwareUpdate/591ab76ceb6c62a945a097b4013a1b5765e24c03.zip