iOS 9.9.10.3.3 (build 14G60) is an official Apple over-the-air update for the iPhone 6, released on 2017-07-19T17:03:43Z. The update package is 1.5 GB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5f7dd258e3d5cac83d920e015aea7a5e6f7695b8.zip.