iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-12-02T08:15:09Z. The update package is 1.19 GB. This is a delta (partial) update that requires 10.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b0f9099f87ce22306efc88ec020759a122257936.zip.