iPadOS 13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPad mini 5 (WiFi), released on 2020-01-14T18:20:28Z. The update package is 205.4 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: 0c0d4088c7a0b507cc9e4b29f44c7644837c4f3a.zip.