iOS 9.9.16.4 (build 20E6247) is an official Apple over-the-air update for the iPhone 12 Pro Max, released on 2023-03-27T17:11:09Z. The update package is 4.99 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: 7336a3b344ffb836814363b6e1f5729b1e18de9e.zip.