Karbonn K508
 Design: Classic;  DualSIM mode: yes;  SIM cards standard: Mini Sim - Regular;  GSM:  900 1800;  Dimensions (H/L/W): 110 x 47.7 x 14.3 mm, vol. 75 cm³;  Display: TFTColor (252K) 176x220px (2.2") 128ppi;  Touch screen: no;  Weight: 80 g;  Time GSM...
Karbonn K541
 Design: Classic;  DualSIM mode: yes;  SIM cards standard: Mini Sim - Regular;  GSM:  900 1800;  Dimensions (H/L/W): 108 x 47 x 13 mm, vol. 66 cm³;  Display: TFTColor (65K) 128x160px (1.8") 114ppi;  Touch screen: no;  Weight: 79 g;  Time GSM (tal...