iOS 9.9.13.4 (build 17E5255a) is an official Apple over-the-air update for the iPhone 11 Pro Max, released on 2020-03-10T17:21:30Z. The update package is 3.78 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: 7e00d42849c7721cd10e0924a5af5c1caedb51c1.zip.