iOS 9.9.17.1 (build 21B74) is an official Apple over-the-air update for the iPhone 14 Plus, released on 2023-10-25T17:25:40Z. The update package is 5.78 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: 34f352b978df2c5ae829ec34e520bc9f84070f72.zip.