iOS 12.0 (build 16A5308e) is an official Apple over-the-air update for the iPhone SE, released on 2018-06-19T17:04:59Z. The update package is 1.15 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: 68a290690dac63f8084175b2782ba9ca20a60de7.zip.