watchOS 5.1

watchOS

Version

5.1

Build ID

16R5568d

File Size

779.74 MB

Release Date

2018-10-02T17:14:37Z

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 3 (38mm, LTE) →

About This Update

watchOS 5.1 (build 16R5568d) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2018-10-02T17:14:37Z. The update package is 779.74 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 b1da9774ac36cad13b7bcf144e10cfc9effa8733.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-08292/B5BDBAA0-C275-11E8-9F10-E083DE821C8D/com_apple_MobileAsset_SoftwareUpdate/b1da9774ac36cad13b7bcf144e10cfc9effa8733.zip