watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U6113

File Size

122.93 MB

Release Date

2019-05-13T17:18:11Z

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 4 (44mm, LTE) →

About This Update

watchOS 5.2.1 (build 16U6113) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm, LTE), released on 2019-05-13T17:18:11Z. The update package is 122.93 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 63f2a6afa9575d218e7966403b89abb876b03ab2.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-56238/9C760C4A-704A-11E9-AB0A-EE4783443981/com_apple_MobileAsset_SoftwareUpdate/63f2a6afa9575d218e7966403b89abb876b03ab2.zip