iOS 9.9.15.4.1 (build 19E258) is an official Apple over-the-air update for the iPhone SE (3rd generation), released on 2022-03-31T17:14:46Z. The update package is 4.42 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bf2e3bfe5afa4b7009650a1864e50628cfd51901.zip.