Has anyone been able to control nq70m7770ds oven?

This is the control screen that I get once I add it it to my phone.

It is blank scree with the word Oven at the top left corner. No controls at all.

I removed and readded multiple times, removed the whole app etc. Samsung CS is unhelpful.

Interestingly, the oven is integrated as I receive oven notifications on my phone (cooking completed etc) but I cannot control anything as the interface is missing.