iOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPhone 6, released on 2018-02-19T21:14:17Z. The update package is 446.73 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b1b7f72c14ba34b8bde34b17acc0e9608921d954.zip.