iPadOS 6.1.3 (build 10B329) is an official Apple over-the-air update for the iPad mini (WiFi). The update package is 83.6 MB. This is a delta (partial) update that requires 6.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5da609a1838b5392ac12fd776b3294763381d3ef.zip.