iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2020-01-22T18:07:09Z. The update package is 128.39 MB. This is a delta (partial) update that requires 13.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ddf75476bc61dc243438c4af189849f0d84f7789.zip.