iOS 10.3.3 (build 14G60) is an official Apple over-the-air update for the iPhone 6, released on 2017-07-19T17:03:44Z. The update package is 215.05 MB. This is a delta (partial) update that requires 10.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 55d199aef089a31caaf708fb4a6d32b862173b87.zip.