iOS 9.9.18.4 (build 22E240) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2025-03-31T17:30:52Z. 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: 5ae906f27152c1c2abf809f511188724381a3ce3.zip.