The 2050 is the Roku XD, released in 2010. It is considered a first generation Roku, and by now we're up to 8th generation. It is no longer being supported by Roku and there are many current channel apps that won't run on it.
Roku Streaming Stick +, 3810X, Ser YH0059427035, wifi - Samsung UN55ES6100
Roku Streaming Stick, 3600X, Ser 5S56D8240827, wifi - JVC EM37T