Check phone type: NetCut will be able to list type of phones.Scan network when you feel there are users still on the network that you can’t see.Those two users won’t be able to talk to each other, eg: apple TV, Google TV, Xiaomi box, cut off the phone connection to those boxes and it will disable screen cast like feature. Cut off network between two network users within LAN, by setting one of the user as “gateways”, then cut off the other users.
as long as you connected to any internet network, ’s NetCut can work.
If NetCut reports you are not running as root, ref here for How to Root your Android Phone Note: NetCut require root to run, otherwise, it won’t be able to run. On Your Google Smart Phone: Free, Fast, Powerful, Easy to Cut, Easy to Protect