iOS 9.9.17.2 (build 21C62) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2023-12-11T18:16:59Z. The update package is 5.76 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: ad2818ee352fec38578aa7585eeadc7bd15068cf.zip.