iOS 9.9.17.5 (build 21F79) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2024-05-13T17:33:47Z. The update package is 5.86 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: 063ad3f18cf9cc938a56d02682a644ff465f34e6.zip.