iPadOS 9.9.13.1.1 (build 17A854) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2019-09-27T17:07:08Z. The update package is 2.55 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: 5d09c016d5d4bffda935647789f52444100e8692.zip.