iOS 9.9.14.8 (build 18H17) is an official Apple over-the-air update for the iPhone 12 Pro Max, released on 2021-09-13T17:10:30Z. The update package is 4.27 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: a9a10c435e7987620649fb704c805154f1e7256d.zip.