iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone SE, released on 2017-10-23T17:08:10Z. The update package is 235.32 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: 29aab0ed42338d9f5ae23020d2b4b4b944c2449b.zip.