Karbonn K 460
 Dimensions: 4.02 x 1.85 x 0.59 inches (102 x 47 x 15 mm);  Weight: 2.65 oz (75 g)the average is 4.8 oz (137 g);  Design features: Numeric keypad, Soft keys (2), D-Pad;  Physical size: 2.0 inches;  Resolution: 176 x 220 pixels;  Pixel density: 141 ppi...
Karbonn K 550
 Dimensions: 4.25 x 1.83 x 0.64 inches (108 x 46.5 x 16.35 mm);  Design features: Numeric keypad, D-Pad, Soft keys (2);  Physical size: 2.0 inches;  Resolution: 176 x 220 pixels;  Pixel density: 141 ppi;  Technology: TFT;  Screen-to-body ratio: 25.09 ...