watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U113

File Size

492.31 MB

Release Date

2019-05-13T17:18:01Z

Update Type

Normal release

Delta update - requires 5.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (40mm, LTE) →

About This Update

watchOS 5.2.1 (build 16U113) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm, LTE), released on 2019-05-13T17:18:01Z. The update package is 492.31 MB. This is a delta (partial) update that requires 5.1 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 96b9cf7faf7347cc7e3d3d9ec6bcc70abbe53d1e.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-18360/8E706416-7049-11E9-8571-051A83443981/com_apple_MobileAsset_SoftwareUpdate/96b9cf7faf7347cc7e3d3d9ec6bcc70abbe53d1e.zip