key specs |
Display | 4.00-inch | 2.40-inch |
Processor | 1.2GHz quad-core | one-core |
Front Camera | 0.3-megapixel | No |
Rear Camera | 2-megapixel | 1.3-megapixel |
RAM | 512MB | - |
Storage | 4GB | - |
Battery Capacity | 1400mAh | 1000mAh |
OS | Android 7.0 | Proprietary |
Resolution | 480x800 pixels | 240x320 pixels |
general |
Brand | Karbonn | Karbonn |
Model | Alfa 18 | K55 |
Form factor | Touchscreen | Bar |
Dimensions (mm) | 124.50 x 64.50 x 10.60 | 119.00 x 49.00 x 11.20 |
Weight (g) | 112.00 | 92.00 |
Battery capacity (mAh) | 1400 | 1000 |
Removable battery | No | Yes |
Colours | Champagne, Grey - Gun Metal, Black - Champagne | Grey |
Release date | - | November 1, 2011 |
display |
Screen size (inches) | 4.00 | 2.40 |
Touchscreen | Yes | No |
Resolution | 480x800 pixels | 240x320 pixels |
hardware |
Processor | 1.2GHz quad-core | one-core |
RAM | 512MB | - |
Internal storage | 4GB | - |
Expandable storage | Yes | Yes |
Expandable storage type | microSD | microSD |
Expandable storage up to (GB) | 32 | 8 |
camera |
Rear camera | 2-megapixel | 1.3-megapixel |
Rear flash | Yes | No |
Front camera | 0.3-megapixel | No |
software |
Operating system | Android 7.0 | Proprietary |
connectivity |
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 | Yes |
Number of SIMs | 2 | 2 |
Wi-Fi Direct | No | No |
Mobile High-Definition Link (MHL) | No | No |
sim 1 |
SIM Type | Micro-SIM | Regular |
GSM/CDMA | GSM | GSM |
3G | Yes | No |
4G/ LTE | Yes | No |
sim 2 |
SIM Type | Micro-SIM | Regular |
GSM/CDMA | GSM | GSM |
3G | Yes | No |
4G/ LTE | Yes | No |
sensors |
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 |