iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone SE, released on 2017-10-23T17:08:08Z. The update package is 1.06 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: efdb733cd2da526a8b2a294cd101cc2801b0422e.zip.