iOS 9.9.18.3.1 (build 22D72) is an official Apple over-the-air update for the iPhone 11 Pro Max, released on 2025-02-10T18:22:33Z. The update package is 6.09 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: 5991601b11316fba45cb2baf407e884c9729fe61.zip.