watchOS 5.1

watchOS

Version

5.1

Build ID

16R5568d

File Size

390.31 MB

Release Date

2018-10-02T17:14:21Z

Update Type

Normal release

Delta update - requires 5.0 installed first.

Download OTA

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

About This Update

watchOS 5.1 (build 16R5568d) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-10-02T17:14:21Z. The update package is 390.31 MB. This is a delta (partial) update that requires 5.0 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 3c08ce9e51c65648c330ceac2fb04cc576ad7fa5.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-08309/D37740EE-C274-11E8-B3C1-F2762EF51E3C/com_apple_MobileAsset_SoftwareUpdate/3c08ce9e51c65648c330ceac2fb04cc576ad7fa5.zip