iOS 9.9.17.5 (build 21F6079) is an official Apple over-the-air update for the iPhone 11 Pro Max, released on 2024-05-13T17:32:27Z. 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: ad8e675174e9e757ecaa91dce888439a1903334c.zip.