iPadOS 9.9.12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2019-05-07T17:03:47Z. The update package is 2.1 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: 86b29875fc84c318212b01fd245fc16bd145d95c.zip.