iOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPhone X (Global), released on 2018-02-19T21:13:32Z. The update package is 543.87 MB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 248ca0338dc453f3b0bbe855497f9ad87a4b02ed.zip.