iPadOS 13.3 (build 17C5053a) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2019-12-05T21:10:58Z. The update package is 320.32 MB. This is a delta (partial) update that requires 13.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7324d8ca9a34e3b91473cbdf458de6f91281babf.zip.