iPadOS 9.9.11.3.1 (build 15E302) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-04-24T17:06:23Z. The update package is 1.39 GB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bc5db8fb74f3f6a76bb2f5389e9d4aa7c8513b1e.zip.