iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-01-08T18:19:38Z. The update package is 399.71 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: 7581d6d31870d158961c10afcf36d2fadf85370c.zip.