iOS 15.7.4 (build 19H321) is an official Apple over-the-air update for the iPhone SE, released on 2023-03-27T17:12:57Z. The update package is 2.38 GB. This is a delta (partial) update that requires 14.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 76be86c1e130d1406d5f13c33a802ccb61822b71.zip.