iPadOS 11.4 (build 15F5049c) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2018-04-16T17:07:26Z. The update package is 212.93 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2c1aa6d6b704c88e4566e9d1178bcb12a5463927.zip.