iOS 11.1 (build 15B5086a) is an official Apple over-the-air update for the iPhone SE, released on 2017-10-16T17:04:23Z. The update package is 112.91 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: b67503ff76e445187f5f3ea7350f9f2d4cc612f1.zip.