iPadOS 9.9.10.2.1 (build 14D15) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2016-12-20T18:02:27Z. The update package is 1.6 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: ea4c84159ca0657b043df0ca32e1a96060077a3f.zip.