iOS 9.9.15.3 (build 19D6050) is an official Apple over-the-air update for the iPhone 12 Pro Max, released on 2022-01-26T18:14:13Z. The update package is 4.82 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: 7fca0fb86907a5cfdbca5bf9fe3f745a00e38d4c.zip.