Here's a collection of Cube Dual OS stock ROMs / firmware. We'll keep adding to the list
Cube Dual OS Stock ROMs / Firmware Download Links
* Locate the download link for your Cube Dual OS tablet model below. Ensure to only flash firmware for your tablet model's serial number so it doesn't get bricked. If you can't find your model on the list, then visit https://www.alldocube.com/en/firmware/ for alternate link search using your tablet's model and SN number.