watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U6113

File Size

130.7 MB

Release Date

2019-05-13T17:17:26Z

Update Type

Normal release

Delta update - requires 5.2.1 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 16U6113) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-05-13T17:17:26Z. The update package is 130.7 MB. This is a delta (partial) update that requires 5.2.1 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 4490199fd9b3bed57588544d0da3742147d7623b.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-56243/A259A9D2-704A-11E9-96CC-4D4983443981/com_apple_MobileAsset_SoftwareUpdate/4490199fd9b3bed57588544d0da3742147d7623b.zip