K500c K500c is a mobile phone manufactured by SonyEricsson. Latest user agents:SonyEricssonK500c/R2AT SEMC-Browser/4.0.3 Profile/MIDP-2.0 Configuration/CLDC-1.1SonyEricssonK500c/R2L SEMC-Browser/4.0.1 Profile/MIDP-2.0 Configuration/CLDC-1.1