iPadOS 11.3 (build 15E216) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2018-03-29T17:06:10Z. The update package is 704.19 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5d41e8457e601565e875569421cc5d2addd29b65.zip.