iOS 9.9.26.5 (build 23F77) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2026-05-11T17:53:26Z. The update package is 7.48 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: 21ae394179b313c976290db0a70473c87baf8891.zip.