iPadOS 9.9.12.1.3 (build 16D5032a) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2018-12-19T18:06:38Z. The update package is 2.05 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: c94e1b4f8fe00d6d5157a140bd3302ae31bb7ec0.zip.