iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone SE, released on 2018-07-09T17:10:38Z. The update package is 725.05 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ad0ae2e23e2978afcbac12c3097bc5d15a7a1cc6.zip.