iPadOS 9.9.12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-10-22T17:01:28Z. The update package is 2.01 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: 90d61314efd19a697b5b7fe70ba30606d4d06652.zip.