iOS 12.0 (build 16A5288q) is an official Apple over-the-air update for the iPhone SE, released on 2018-06-05T09:52:45Z. The update package is 1.16 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6a5ae8fb4a634ea85aa1b44b7aed33bc7500b50c.zip.