iOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-02-19T21:14:53Z. The update package is 1.13 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cdd418e2105f032c15c6ce7c60e55d4d0a784c18.zip.