iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone SE, released on 2017-11-16T21:22:18Z. The update package is 1.13 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 077d55bdfff201f82da6edf6ffea76b2a8bb614e.zip.