watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

732.36 MB

Release Date

2018-11-05T18:05:35Z

Update Type

Normal release

Delta update - requires 4.3.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2018-11-05T18:05:35Z. The update package is 732.36 MB. This is a delta (partial) update that requires 4.3.1 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 c557cd00575d8b54de46d22c4f3b29ed8e1358f9.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19236/4C84D776-DD50-11E8-8B6D-ED7674E24E6B/com_apple_MobileAsset_SoftwareUpdate/c557cd00575d8b54de46d22c4f3b29ed8e1358f9.zip