iOS 9.9.15.3 (build 19D50) is an official Apple over-the-air update for the iPhone 12 mini, released on 2022-01-26T18:14:51Z. The update package is 4.78 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: 8da9a1d649b578df6e242b0d95f834550a415486.zip.