iOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPhone SE, released on 2017-11-09T18:11:22Z. The update package is 235.39 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 07fdde7973c9da8ad9ac5ec84704e83a1adfe515.zip.