iOS 15.7.3 (build 19H307) is an official Apple over-the-air update for the iPhone SE, released on 2023-01-23T18:49:24Z. 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: 6a7f5933aa44a7af11d83f0ed66319286a6cea0c.zip.