iOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2018-02-19T21:13:37Z. The update package is 39.25 MB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ca1dca6c00f9406be7e6b8c631d35a940f10e7b7.zip.