iPadOS 9.9.15.2.1 (build 19C63) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2022-01-12T18:07:39Z. The update package is 3.74 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: 2c9e7f6888f6e8d2847774f7417b05b1da9a90cf.zip.