iOS 9.9.18.6.1 (build 22G6090) is an official Apple over-the-air update for the iPhone 13 Pro Max, released on 2025-08-14T17:48:21Z. 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: 1f0030be5cf6e54a0d90c66ee158e798f7d44311.zip.