iPadOS 9.9.11.4 (build 15F79) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-05-29T17:13:34Z. 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: 977444fc54b1eec38d2dfa955254f3a6c215656f.zip.