watchOS 6.1

watchOS

Version

6.1

Build ID

17S5054e

File Size

705 MB

Release Date

2019-09-23T17:04:47Z

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 (40mm, LTE) →

About This Update

watchOS 6.1 (build 17S5054e) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm, LTE), released on 2019-09-23T17:04:47Z. The update package is 705 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 d03d924fa57bf60efebd4c4ef7caf7c470268354.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallSeed/patches/061-20750/ABA5D616-DBC8-11E9-A62A-5B9D1C97DABD/com_apple_MobileAsset_SoftwareUpdate/d03d924fa57bf60efebd4c4ef7caf7c470268354.zip