watchOS 4.3

watchOS

Version

4.3

Build ID

15T5165e

File Size

601.19 MB

Release Date

2018-01-25T18:04:03Z

Update Type

Normal release

Delta update - requires 3.2.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 4.3 (build 15T5165e) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2018-01-25T18:04:03Z. The update package is 601.19 MB. This is a delta (partial) update that requires 3.2.3 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 2f7a17727d817abc156ca355cfea5c84630dec93.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-63507-20180123-2F63DA4A-FE2E-11E7-9D71-73F75209FAF2/com_apple_MobileAsset_SoftwareUpdate/2f7a17727d817abc156ca355cfea5c84630dec93.zip