iOS 9.9.17.0 (build 21A6331) is an official Apple over-the-air update for the iPhone 15 Pro, released on 2023-09-18T17:33:00Z. The update package is 6.01 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: e5daa4b8a74b69cfbea11c5bbe192f5fe3c36d25.zip.