iOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-02-19T21:14:52Z. The update package is 1.2 GB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e8138f22d1d3aff9a9f1dc84e6fc0dab50bed7c0.zip.