iOS 9.9.17.0.1 (build 21A340) is an official Apple over-the-air update for the iPhone 12, released on 2023-09-21T17:21:44Z. The update package is 5.79 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: 7d1c03123d6061b012295e465c45dbc4e4b47fc4.zip.