iPadOS 11.3 (build 15E5189f) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-02-20T18:06:15Z. The update package is 292.19 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: b499aa9d124e047cedf63236daa4fa1aa9a57985.zip.