iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone SE, released on 2018-07-09T17:10:42Z. The update package is 196.24 MB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ab0547b42f06fa08a584a0a478ef04908fbee6b4.zip.