iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2018-01-08T18:19:27Z. The update package is 394.12 MB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a8f1d094bfeb73699b6132e6ae10db7c8df53ceb.zip.