iOS 9.9.18.6 (build 22G86) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2025-07-29T17:27:13Z. The update package is 6.74 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: a1f0ecc2955811308e5e365fb46799f055392b25.zip.