watchOS 4.0

watchOS

Version

4.0

Build ID

15R5365a

File Size

1.06 GB

Release Date

2017-08-22T16:58:30Z

Update Type

Normal release

Download OTA

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About This Update

watchOS 4.0 (build 15R5365a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-08-22T16:58:30Z. The update package is 1.06 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 e8efda84b6a425012da945bd23bac1e40642d15d.zip.

Direct URL

http://appldnld.apple.com/watchos4.0seeds/091-29995-20170821-63B9D83E-84F9-11E7-9A7B-D5AAAA25A5A9/com_apple_MobileAsset_SoftwareUpdate/e8efda84b6a425012da945bd23bac1e40642d15d.zip