iOS 12.1.1 (build 16C5036c) is an official Apple over-the-air update for the iPhone SE, released on 2018-10-31T17:04:05Z. The update package is 288.44 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e89d08bc8b08aeaf993343f827c0746f6b9527a4.zip.