Karbonn A21
Karbonn A21 smartphone was launched in December 2012. The phone comes with a 4.50-inch touchscreen display with a resolution of 480 pixels by 800 pixels.

The Karbonn A21 is powered by 1.2GHz Qualcomm Snapdragon processor and it comes with 512MB of RAM. The phone packs 4GB of internal storage that can be expanded up to 32GB via a microSD card. As far as the cameras are concerned, the Karbonn A21 packs a 5-megapixel primary camera on the rear and a 1.3-megapixel front shooter for selfies.

The Karbonn A21 runs Android 4 and is powered by a 1800mAh non removable battery.

The Karbonn A21 is a dual SIM (GSM and GSM) smartphone that accepts two Regular SIMs. Connectivity options include GPS, Bluetooth, 3G.

Display

4.50-inch

Processor

1.2GHz

Front Camera

 1.3-megapixel

Resolution

 480x800 pixels

RAM

 512MB

OS

 Android 4

Storage

4GB

Rear Camera

5-megapixel

Battery capacity

1800mAh
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Karbonn A21 detailed specifications
General
Release date December 2012
Form factor Bar
Battery capacity (mAh) 1800
Removable battery No
Colours Pearl White
SAR value NA
Display
Screen size (inches) 4.50
Touchscreen Yes
Resolution 480x800 pixels
Hardware
Processor 1.2GHz 
Processor make Qualcomm Snapdragon
RAM 512MB
Internal storage 4GB
Expandable storage Yes
Expandable storage type microSD
Expandable storage up to (GB) 32
Camera
Rear camera 5-megapixel
Flash Yes
Front camera 1.3-megapixel
Software
Operating System Android 4
Connectivity
Wi-Fi No
GPS Yes
Bluetooth Yes
NFC No
Infrared No
USB OTG No
Headphones No
FM No
Number of SIMs 2
SIM 1  
SIM Type Regular
GSM/ CDMA GSM
3G Yes
4G/ LTE No
SIM 2  
SIM Type Regular
GSM/ CDMA GSM
3G Yes
4G/ LTE No
Sensors
Compass/ Magnetometer No
Proximity sensor No
Accelerometer No
Ambient light sensor No
Gyroscope No
Barometer No
Temperature sensor No

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