iOS 10.3.3 (build 14G5047a) is an official Apple over-the-air update for the iPhone 6, released on 2017-06-13T16:55:49Z. The update package is 68.27 MB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4ffe621af4c23ad06da1066ec0bb399729aa01c8.zip.