iOS 9.3.3 (build 13G34) is an official Apple over-the-air update for the iPhone 6, released on 2016-07-18T17:55:30Z. The update package is 1.07 GB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 64ac25aa2af77db1a262a7a69c3ee71a99bf6868.zip.