iOS 15.7.4 (build 19H321) is an official Apple over-the-air update for the iPhone SE, released on 2023-03-27T17:12:58Z. The update package is 1.17 GB. This is a delta (partial) update that requires 15.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2aa9c64e88a0a216eff71e08c92fdb6dc236c963.zip.