iOS 9.9.15.1.1 (build 19B6081) is an official Apple over-the-air update for the iPhone 12, released on 2021-11-17T18:12:38Z. The update package is 5.01 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: 9df56b501fe1934a1fbffdd689ddc897dbfd3695.zip.