iOS 9.9.15.1 (build 19B6074) is an official Apple over-the-air update for the iPhone 11 Pro, released on 2021-10-25T17:09:40Z. The update package is 5.54 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: 0a1557d54f4edb5329f5b7807332ad7c5ebf8d11.zip.