iOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-02-19T21:13:28Z. The update package is 594.6 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2181e04dfb5a8e3472294a249a6f412cfd628533.zip.