| Price |
|
Rs. 2,650.00
|
Rs. 3,449.00
|
| Capacity |
|
1100 mAH, Li-ion
|
1500 mAH, Li-ion
36.4% more mAH battery than Zen Ultrafone 303. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 1100 mAH, Li-ion)
|
| TalkTime |
|
|
Up to 6 Hours(2G)
|
| Stand By Time |
|
|
Up to 120 Hours(2G)
|
| Main Camera |
|
3.2 MP
|
3.2 MP
|
| Front Camera |
|
0.3 MP
|
0.3 MP
|
| Flash |
|
LED
|
LED
|
| Zoom |
|
Digital Zoom
|
Digital Zoom
|
| Camera Features |
|
Geo tagging
|
Image Viewer
|
| Operating Frequency |
|
GSM 1800 / 900 MHz | GSM 1800 / 900 MHz
|
GSM 900 / 1800 | GSM 900 / 1900
|
| GPRS |
|
Class 12
|
|
| EDGE |
|
Class 12
|
|
| Wi-Fi |
|
Wi-Fi 802.11, b/g/n
|
Wi-Fi 802.11
|
| Bluetooth |
|
v3.0
|
A2DP
|
| USB Connectivity |
|
USB Port, microUSB 2.0
|
USB Port
|
| Touch Screen |
|
Capacitive Touchscreen
|
Capacitive Touchscreen
|
| Dimensions |
|
132 x 67.5 x 9.25 mm
1.6 mm Thinner than Zen Ultrafone 303. Slim mobile phone is easy to handle and looks gorgeous in hand. (132 x 67.5 x 9.25 mm vs. 124.1 x 65.3 x 10.8 mm)
|
124.1 x 65.3 x 10.8 mm
|
| Colours |
|
Black,White
|
Black,White,Blue
|
| Weight |
|
|
95 grams
|
| Screen Size |
|
3.5 Inch
|
4 Inch
14.3% bigger screen size than Zen Ultrafone 303. The bigger the screen size is better the user experience of reading and watching movie or video songs. (4 Inch vs. 3.5 Inch)
|
| Screen Resolution |
|
320 x 480 pixels
|
480 x 800 pixels
|
| Pixel Density (sharpness) |
|
165 ppi
|
233 ppi
41.2% Higher pixel density than Zen Ultrafone 303. High pixel density shows sharper text and extremely detailed photos and videos. (233 ppi vs. 165 ppi)
|
| Display Type |
|
TFT
|
IPS LCD
|
| Box Contents |
|
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
|
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
|
| Applications |
|
|
Zen Store, HS18, Notebook
|
| Sensors |
|
Accelerometer
|
Accelerometer, Gyroscope, Proximity sensor
|
| SIM Size |
|
|
Micro
|
| OS Type |
|
Android
|
Android
|
| Brand |
|
Karbonn
|
Zen
|
| Model |
|
Smart A51
|
Ultrafone 303
|
| Operating System |
|
Android v4.0.4 (Ice Cream Sandwich)
|
Android v4.0 (Ice Cream Sandwich)
|
| SIM Slot(s) |
|
Dual SIM, GSM+GSM
|
Dual SIM
|
| FM Radio |
|
Yes
|
Yes
|
| Loudspeaker |
|
Yes
|
Yes
|
| Audio Jack |
|
3.5 mm
|
3.5 mm
|
| Processor |
|
1 GHz
|
1 GHz
|
| RAM |
|
256 MB
|
256 MB
|
| Internal Memory |
|
100 MB
|
512 MB
|
| Expandable Memory |
|
Up to 32 GB
|
Up to 32 GB
|
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