iPadOS 9.9.12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2018-10-22T17:01:32Z. The update package is 2.04 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: 70a716c5245348b2b8f763477e6ee862216efb6c.zip.