watchOS 5.1

watchOS

Version

5.1

Build ID

16R5584a

File Size

733.94 MB

Release Date

2018-10-15T17:09:19Z

Update Type

Normal release

Delta update - requires 4.3.2 installed first.

Download OTA

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

About This Update

watchOS 5.1 (build 16R5584a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-10-15T17:09:19Z. The update package is 733.94 MB. This is a delta (partial) update that requires 4.3.2 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 eee1f81a1a8ae1590a3ecb81c3ffc6157ec23d73.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-13566/3C71D64E-CD7F-11E8-AECE-E55FC8EBB8ED/com_apple_MobileAsset_SoftwareUpdate/eee1f81a1a8ae1590a3ecb81c3ffc6157ec23d73.zip