iOS 11.2 (build 15C5111a) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-11-28T18:00:57Z. The update package is 35.95 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: 9ee317c972eea69126f5097f26b1d2f82ef47b6f.zip.