iOS 9.9.15.1.1 (build 19B6081) is an official Apple over-the-air update for the iPhone 13 Pro, released on 2021-11-17T18:12:39Z. The update package is 4.86 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: 527cda9b8cdacb499b87dec9867ee7a601926975.zip.