iPadOS 11.3 (build 15E5216a) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-03-16T17:05:03Z. The update package is 51.63 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: 53527d853b67734e3a81e64a2a69225ddb4c161b.zip.