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Summary
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| Display |
2.4" (6.1 cm) 240x320 px
| 4.7" (11.94 cm) 540x960 px
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| Rear Camera |
1.3 MP Single Camera
| 8 MP Single Camera
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| Battery |
1800 mAh
| 1800 mAh 3 talktime (3G)
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| Front Camera |
N/A
| 2 MP Single Camera
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| Storage |
N/A
| 4 GB 32 GB (Expandable)
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| Performance |
N/A
| N/A
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| Compare Prices |
BLU B21 is permanently discontinued.
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Not Available in any store
Notify me when it's available
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General
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| Operating System |
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Android v4.1 (Jelly Bean) |
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Performance
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| CPU |
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Dual core, 1 GHz |
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Display
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| Display Type |
LCD |
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| Screen Size |
2.4 " (6.1 cm) |
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| Resolution |
240x320 px |
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| Pixel Density |
167 ppi |
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| Screen to Body Ratio (calculated) |
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67.79 % |
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Design
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Size Compare
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| Weight |
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109 grams |
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| Colours |
Black |
Black |
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Camera
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Main Camera
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| Camera Setup |
Single |
Single |
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| Resolution |
1.3 MP Primary Camera |
8 MP, Primary Camera |
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| Autofocus |
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| Flash |
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| Image Resolution |
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3264 x 2448 Pixels |
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| Shooting Modes |
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Continuous Shooting |
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| Camera Features |
Digital Zoom |
Digital Zoom |
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Front Camera
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| Camera Setup |
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Single |
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| Resolution |
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2 MP, Primary Camera |
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| Camera Features |
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Fixed Focus |
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Battery
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| Capacity |
1800 mAh |
1800 mAh |
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| Type |
Li-ion |
Li-ion |
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| TalkTime |
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Up to 3(3G) / Up to 7(2G) |
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| Standby time |
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Up to 410(3G) / Up to 415(2G) |
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Storage
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| Internal Memory |
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4 GB |
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| Expandable Memory |
, Up to 8 GB |
, Up to 32 GB |
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Network & Connectivity
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| SIM Slot(s) |
Dual SIM, GSM+GSM |
Single SIM, GSM |
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| Network Support |
5G Not Supported in India, 2G |
5G Not Supported in India, 3G, 2G |
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| SIM 1 |
GPRS: Available
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3G Speed: HSPA , EV-DO category Rev.A GPRS: Available EDGE: Available
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| Wi-Fi |
No |
, Wi-Fi 4 (802.11 b/g/n) |
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| Wi-Fi Features |
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Wi-Fi Direct |
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| Bluetooth |
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, v4 |
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| GPS |
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with A-GPS |
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Multimedia
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| FM Radio |
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| Music |
, Music Formats: , MP3 Player, Big Speaker |
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Sensors
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| Other Sensors |
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Proximity sensor, Accelerometer, Compass |
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| Java |
No |
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| Browser |
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| Phone Book |
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| SMS |
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| MMS |
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