Zen M21i
SIM Slot(s): Dual SIM, GSM+GSM; SIM Size: SIM1: Mini; Network: 2G: Available; Colours: Black; Screen Size: 2.8 inches; Screen Resolution: 240 x 320 pixels; Pixel Density: 143 ppi; Display Type: TFT; Expandable Memory: Up to 8 GB; ...
Microsoft Lumia 638
Operating System: Windows Phone v8.1; SIM Slot(s): Single SIM, GSM; SIM Size: SIM1: Micro; Network: 4G: Available (supports Indian bands), 3G: Available, 2G: Available; Dimensions: 129.5 (H) x 66.7 (W) x 9.2 (T) mm; Weight: 134 grams; ...