iPadOS 11.3 (build 15E216) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2018-03-29T17:06:15Z. The update package is 1.24 GB. This is a delta (partial) update that requires 10.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c34ff6e0695e5e36bac0c1d69e22e5e3833d2f74.zip.