Nokia has launched four new affordable cell phones including two of them are dual sim phones. This is the first time Nokia launched dual sim phones. Nokia C1 trio (C1-00) Nokia C1 trio (C1-00) is first mobile phone from Nokia to feature a 2-in-1 double SIM solution. The phone supports two sim but only one would be active at any given point of time. Users can switch between sim cards by simply holding down a key, people...