iPadOS 13.3.1 (build 17D5026c) is an official Apple over-the-air update for the iPad mini 5 (Cellular), released on 2019-12-17T18:12:49Z. The update package is 210.94 MB. This is a delta (partial) update that requires 13.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 15a9db582938f28558d1063b47c994779a2fa677.zip.