watchOS 6.1

watchOS

Version

6.1

Build ID

17S5054e

File Size

407.6 MB

Release Date

2019-09-23T17:04:36Z

Update Type

Normal release

Delta update - requires 6.0 installed first.

Download OTA

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

About This Update

watchOS 6.1 (build 17S5054e) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2019-09-23T17:04:36Z. The update package is 407.6 MB. This is a delta (partial) update that requires 6.0 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 3ff7f13499e1ba3d20447df1c4e6d4b354ac3fba.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallSeed/patches/061-20615/0340D15A-DBC9-11E9-8F4E-E2A81C97DABD/com_apple_MobileAsset_SoftwareUpdate/3ff7f13499e1ba3d20447df1c4e6d4b354ac3fba.zip