iOS 9.9.17.4 (build 21E219) is an official Apple over-the-air update for the iPhone SE (3rd generation), released on 2024-03-05T18:18:24Z. The update package is 5.51 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: b9236a4e326b8d868d306fff53494057e6f8dbcb.zip.