iOS 9.9.15.3.1 (build 19D52) is an official Apple over-the-air update for the iPhone 13 mini, released on 2022-02-10T18:14:54Z. The update package is 4.81 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: d81467a28d1bf5d8be7601b9a17461b30b0a0060.zip.