watchOS 5.1

watchOS

Version

5.1

Build ID

16R5589c

File Size

777.67 MB

Release Date

2018-10-22T17:19:17Z

Update Type

Normal release

Delta update - requires 4.3.2 installed first.

Download OTA

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

About This Update

watchOS 5.1 (build 16R5589c) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2018-10-22T17:19:17Z. The update package is 777.67 MB. This is a delta (partial) update that requires 4.3.2 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 c4a3abb8c86107eb4999c85148b4d3fc1b3896c3.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-16381/B7039B24-D3BD-11E8-ABCC-488955D8F596/com_apple_MobileAsset_SoftwareUpdate/c4a3abb8c86107eb4999c85148b4d3fc1b3896c3.zip