iOS 9.9.18.4.1 (build 22E6252) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2025-04-16T17:27:43Z. The update package is 6.73 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: 91e89139cf7d209d51b20bff35f33c677d7fd527.zip.