watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U113

File Size

489.31 MB

Release Date

2019-05-13T17:17:52Z

Update Type

Normal release

Delta update - requires 5.0.1 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 2019-05-13T17:17:52Z. The update package is 489.31 MB. This is a delta (partial) update that requires 5.0.1 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 bdf178558d54246c34e22c03d33834b0fe8c5dc5.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-09597/6E243160-7049-11E9-929A-EE1883443981/com_apple_MobileAsset_SoftwareUpdate/bdf178558d54246c34e22c03d33834b0fe8c5dc5.zip