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| Display | |||
| 4.00-inch | 2.00-inch | ||
| Processor | |||
| 1.2GHz quad-core | one-core | ||
| Front Camera | |||
| 0.3-megapixel | No | ||
| Rear Camera | |||
| 2-megapixel | Unspecified | ||
| RAM | |||
| 512MB | 32MB | ||
| Storage | |||
| 4GB | 24MB | ||
| Battery Capacity | |||
| 1400mAh | 1000mAh | ||
| OS | |||
| Android 7.0 | - | ||
| Resolution | |||
| 480x800 pixels | 128x160 pixels | ||
| Brand | |||
| Karbonn | Karbonn | ||
| Model | |||
| Alfa 18 | K3 Star | ||
| Form factor | |||
| Touchscreen | - | ||
| Dimensions (mm) | |||
| 124.50 x 64.50 x 10.60 | 108.00 x 46.00 x 13.70 | ||
| Weight (g) | |||
| 112.00 | 73.00 | ||
| Battery capacity (mAh) | |||
| 1400 | 1000 | ||
| Removable battery | |||
| No | Yes | ||
| Colours | |||
| Champagne, Grey - Gun Metal, Black - Champagne | - | ||
| Release date | |||
| - | February 1, 2013 | ||
| Screen size (inches) | |||
| 4.00 | 2.00 | ||
| Touchscreen | |||
| Yes | Yes | ||
| Resolution | |||
| 480x800 pixels | 128x160 pixels | ||
| Processor | |||
| 1.2GHz quad-core | one-core | ||
| RAM | |||
| 512MB | 32MB | ||
| Internal storage | |||
| 4GB | 24MB | ||
| Expandable storage | |||
| Yes | Yes | ||
| Expandable storage type | |||
| microSD | microSD | ||
| Expandable storage up to (GB) | |||
| 32 | 8 | ||
| Rear camera | |||
| 2-megapixel | Unspecified | ||
| Rear flash | |||
| Yes | No | ||
| Front camera | |||
| 0.3-megapixel | No | ||
| Operating system | |||
| Android 7.0 | - | ||
| Wi-Fi | |||
| Yes | No | ||
| Wi-Fi standards supported | |||
| 802.11 b/g/n | - | ||
| GPS | |||
| Yes | No | ||
| Bluetooth | |||
| Yes | Yes | ||
| NFC | |||
| No | No | ||
| Infrared | |||
| No | No | ||
| USB OTG | |||
| Yes | No | ||
| Headphones | |||
| 3.5mm | - | ||
| FM | |||
| Yes | No | ||
| Number of SIMs | |||
| 2 | 2 | ||
| Wi-Fi Direct | |||
| No | No | ||
| Mobile High-Definition Link (MHL) | |||
| No | No | ||
| SIM Type | |||
| Micro-SIM | Regular | ||
| GSM/CDMA | |||
| GSM | GSM | ||
| 3G | |||
| Yes | No | ||
| 4G/ LTE | |||
| Yes | No | ||
| SIM Type | |||
| Micro-SIM | Regular | ||
| GSM/CDMA | |||
| GSM | GSM | ||
| 3G | |||
| Yes | No | ||
| 4G/ LTE | |||
| Yes | No | ||
| Compass/ Magnetometer | |||
| No | No | ||
| Proximity sensor | |||
| Yes | No | ||
| Accelerometer | |||
| Yes | No | ||
| Ambient light sensor | |||
| No | No | ||
| Gyroscope | |||
| No | No | ||
| Barometer | |||
| No | No | ||
| Temperature sensor | |||
| No | No | ||
