watchOS 4.0

watchOS

Version

4.0

Build ID

15R5365a

File Size

1.08 GB

Release Date

2017-08-22T16:58:41Z

Update Type

Normal release

Download OTA

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

About This Update

watchOS 4.0 (build 15R5365a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2017-08-22T16:58:41Z. The update package is 1.08 GB. This is a full OTA update that can be applied from any compatible base version. 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 4b2eba0f23c55029e7195fea585958ae150408c1.zip.

Direct URL

http://appldnld.apple.com/watchos4.0seeds/091-29917-20170821-63B9DAC8-84F9-11E7-9A7B-D0AAAA25A5A9/com_apple_MobileAsset_SoftwareUpdate/4b2eba0f23c55029e7195fea585958ae150408c1.zip