watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

772.27 MB

Release Date

2018-11-05T18:05:10Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2018-11-05T18:05:10Z. The update package is 772.27 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 409044f455c004bec5c98adabc27751bcec9ac66.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19258/957CC010-DD50-11E8-99B9-E39932B462A4/com_apple_MobileAsset_SoftwareUpdate/409044f455c004bec5c98adabc27751bcec9ac66.zip