iOS 9.9.17.3 (build 21D6050) is an official Apple over-the-air update for the iPhone 12, released on 2024-01-22T18:20:24Z. The update package is 5.76 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: a7ca4bc8664933771ddb519e1ef113a40809b9fd.zip.