iOS 9.9.26.4.1 (build 23E254) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2026-04-08T20:32:19Z. The update package is 7.47 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: 6ed24f02004efa284cb7d9fe5179a2db95de4e0c.zip.