watchOS 5.2.1

watchOS

Version

5.2.1

Build ID

16U113

File Size

903.96 MB

Release Date

2019-05-13T17:16:48Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm, LTE) →

About This Update

watchOS 5.2.1 (build 16U113) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2019-05-13T17:16:48Z. The update package is 903.96 MB. This is a delta (partial) update that requires 4.0 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 0f78a6dab0f92ff53146e000224aecef0d03d2a9.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringFCS/patches/041-07039/52D78D18-7048-11E9-8DDF-FC0283443981/com_apple_MobileAsset_SoftwareUpdate/0f78a6dab0f92ff53146e000224aecef0d03d2a9.zip