iPadOS 9.9.11.3.1 (build 15E302) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-04-24T17:06:14Z. The update package is 1.35 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: 8295b7ac13a07c3eb4af1076aef4994b5947e2e7.zip.