iOS 9.9.17.4 (build 21E219) is an official Apple over-the-air update for the iPhone 14 Plus, released on 2024-03-05T18:18:24Z. The update package is 5.74 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: 43aed4420e8e0c171898cea6c20be9694eae458c.zip.