iPadOS 11.3 (build 15E5178f) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2018-02-06T18:21:04Z. The update package is 292.98 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: b0aca78b986282f19e20d8014ea6f3017383e3ad.zip.