iOS 9.9.16.3.1 (build 20D6067) is an official Apple over-the-air update for the iPhone 12 Pro Max, released on 2023-02-13T18:23:16Z. 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: 8dc134a13b49f39179799ef978a77b44291732f8.zip.