Is the cut down or slow speed not working ? can you explain details , ie: be able to scan, but can’t not cut off? is your phone rooted?
you don’t need to pay pro if it is just cut off or speed control. Pro give you ability to netlock and one button to cut off all.
we are working on improve of user sign up without need register on arcai.com at the moment. but if there is a bug , we can certainly look at it with priority.