iOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2018-02-19T21:15:07Z. The update package is 592.51 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 01f98ca247d54e5466dfc591efdd849650446372.zip.