iPadOS 11.3 (build 15E216) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-03-29T17:07:26Z. The update package is 704.72 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4a4c5d07f6cedd3f66b70293d4d78db8d1ecc5af.zip.