iOS 9.9.14.5.1 (build 18E212) is an official Apple over-the-air update for the iPhone 12 Pro Max, released on 2021-05-03T17:13:52Z. The update package is 4.25 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: a1d2980e25e01acba022cdd5545e8098d9218ec3.zip.