iOS 9.9.17.6 (build 21G80) is an official Apple over-the-air update for the iPhone 11 Pro Max, released on 2024-07-29T20:34:52Z. The update package is 5.54 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: 87c784915197d9d502d054c2a32f654fb9a929a3.zip.