iPadOS 9.9.11.3.1 (build 15E302) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2018-04-24T17:05:59Z. The update package is 1.35 GB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 257760064d87854151c5a09a1773180c3b97eeaf.zip.