iOS 9.9.17.3 (build 21D6050) is an official Apple over-the-air update for the iPhone 12 Pro Max, released on 2024-01-22T18:20:25Z. The update package is 5.72 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: 8188ed5b2a05d76ae9f21610c98c24688d509074.zip.