iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone SE, released on 2018-07-09T17:10:41Z. The update package is 674.31 MB. This is a delta (partial) update that requires 11.2.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b8298476c5d16dbe776bc4ebfe6ca8b987521c7e.zip.