iPadOS 11.3 (build 15E5201e) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-03-05T18:13:53Z. The update package is 282.56 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: a8b426e32ab2174651761733d5a12c5692705f88.zip.