iPadOS 11.3 (build 15E5178f) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2018-02-06T18:21:01Z. The update package is 268.26 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: bc3cc6bbf9ee45049c4479c9bf782745822df865.zip.