iOS 9.9.16.3 (build 20D6047) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2023-01-23T18:47:05Z. The update package is 4.86 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: 5835df91c26cfcd445b98fb0023bf67d77353802.zip.