iOS 9.9.15.5 (build 19F6077) is an official Apple over-the-air update for the iPhone 12 Pro Max, released on 2022-05-16T18:24:09Z. The update package is 4.87 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: 52b155d370283e210bdc0c243a1cf2b241d55593.zip.