watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

748.62 MB

Release Date

2018-11-05T18:05:21Z

Update Type

Normal release

Delta update - requires 4.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (42mm) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-11-05T18:05:21Z. The update package is 748.62 MB. This is a delta (partial) update that requires 4.2 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 3fed0986f406149febd2e25b7efbb44ff92db164.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19120/278A5460-DD4F-11E8-9EA7-85467ACA4D0E/com_apple_MobileAsset_SoftwareUpdate/3fed0986f406149febd2e25b7efbb44ff92db164.zip