| Price | 
                    
                        | Rs. 1,799.00 | Not Available | 
                    
                            
                                | Capacity | 
                            
                                | 1800 mAH, Li-ion 28.6% more mAH battery than Maxx MX425. More battery capacity reduces the need to charge your battery again. (1800 mAH, Li-ion vs. 1400 mAH, Li-ion) | 1400 mAH, Li-ion | 
                        
                            
                                | TalkTime | 
                            
                                | Up to 10.83 Hours(2G) | Up to 6.5 Hours(2G) | 
                        
                            
                                | Main Camera | 
                            
                                | 0.3 MP | 0.3 MP | 
                        
                            
                                | Zoom | 
                            
                                | Digital Zoom | Digital Zoom | 
                        
                            
                                | Camera Features | 
                            
                                | Smile detection, Scenes, Continuos Shooting, Multi Shot | Effects, Multi Shot | 
                        
                            
                                | Video Recording | 
                            
                                |  | Recording Formats: MPEG-4, 3GP | 
                        
                            
                                | GPRS | 
                            
                                | Yes | Yes | 
                        
                            
                                | EDGE | 
                            
                                | No | No | 
                        
                            
                                | 3G | 
                            
                                | EV-DO , Rev.A |  | 
                        
                            
                                | Bluetooth | 
                            
                                | Yes |  | 
                        
                            
                                | USB Connectivity | 
                            
                                | USB Port | No | 
                        
                            
                                | Weight | 
                            
                                | 113 grams |  | 
                        
                            
                                | Dimensions | 
                            
                                | 118.5 x 52.5 x 15.20 mm |  | 
                        
                            
                                | Screen Size | 
                            
                                | 2.6 Inch 8.3% bigger screen size than Maxx MX425. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2.6 Inch vs. 2.4 Inch) | 2.4 Inch | 
                        
                            
                                | Touch Screen | 
                            
                                |  | Yes | 
                        
                            
                                | Colours | 
                            
                                | Black with Green |  | 
                        
                            
                                | Screen Resolution | 
                            
                                | 240 x 320 pixels |  | 
                        
                            
                                | Pixel Density (sharpness) | 
                            
                                | 154 ppi |  | 
                        
                            
                                | Display Type | 
                            
                                | LCD |  | 
                        
                            
                                | Box Contents | 
                            
                                | Handset, Battery, Charger, Earphone, User Manual, Warranty Card | Mobile, Earphone, Battery, Stylus, Data Cable, Charger | 
                        
                            
                                | Brand | 
                            
                                | Micromax | Maxx | 
                        
                            
                                | Model | 
                            
                                | X257 | MX 425 | 
                        
                            
                                | SIM Slot(s) | 
                            
                                | Dual SIM, GSM+GSM | Single SIM, GSM | 
                        
                            
                                | FM Radio | 
                            
                                | Recording option | Yes | 
                        
                            
                                | Expandable Memory | 
                            
                                | Up to 4 GB | Up to 2 GB | 
                        
                
            
         
        
        
        
        
 
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