iPadOS 11.3 (build 15E216) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-03-29T17:06:43Z. The update package is 1.27 GB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f2a2b4f64f34a0d7fcce1547260a91ba3dd96d24.zip.