Hi Carol, unfortunately I do not believe there is a device to increase the bandwidth in your phone. If you decide to buy Interent service for your home, you will find Netgear routers are able to connect multiple devices at once and stream lots of content simultaneously. However, if you choose to stay with just wireless devices and no home Interent service; I believe adding a dedicated wireless hotspot to your existing phone plan and hooking your TV to that hotspot will probably give you the bandwidth you need. Your local Best Buy store has teams of individuals who can help you get a hotspot added to your phone plan or you can browse wifi hotspot devices on Best buy.com. I hope you make these bandwidth issues, non-issues quickly so you can get back to care free streaming Carol