How do i Block Wifi Traffic?

If you are looking to block wifi traffic to your campaign, then you have to manually activate all the Carriers available for Targeting via ISP targeting option. Once you have manually selected all the carrier's, Wifi will automatically be phased out.

To set up mobile carrier targeting

Click on Campaign for which you want this to be implemented --> Listings --> ISP Target -->Choose your country --> Pick up and put a bid for your Carrier / ISP.