watchOS 6.1

watchOS

Version

6.1

Build ID

17S5083a

File Size

272.16 MB

Release Date

2019-10-23T17:12:09Z

Update Type

Normal release

Delta update - requires 6.1 installed first.

Download OTA

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

About This Update

watchOS 6.1 (build 17S5083a) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2019-10-23T17:12:09Z. The update package is 272.16 MB. This is a delta (partial) update that requires 6.1 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 4c6ded2ba71bd5b71c854d773982accf1667f992.zip.

Direct URL

http://updates-http.cdn-apple.com/2019FallSeed/patches/061-38956/9E8D3E7E-F432-11E9-A81B-926535390AC5/com_apple_MobileAsset_SoftwareUpdate/4c6ded2ba71bd5b71c854d773982accf1667f992.zip