iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 6, released on 2018-01-08T18:17:59Z. The update package is 68.45 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 629fc1075375683a63c4dc03b990e93fd420fde0.zip.