iOS 9.9.17.2 (build 21C6062) is an official Apple over-the-air update for the iPhone 12, released on 2023-12-11T18:15:34Z. The update package is 5.75 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: 848285171f477a118774bdf54d1f4dcb1dd5f113.zip.