Karbonn A21

  • Karbonn
  • Last Updated: 16th January 2026
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Key Specs
  • Display 4.50-inch (480x800)
  • Processor Qualcomm Snapdragon S4 Play
  • Front Camera 1.3MP
  • Rear Camera 5MP
  • RAM 512MB
  • Storage 4GB
  • Battery Capacity 1800mAh
  • OS Android 4
Market Status Released
Release Date December 2012

Karbonn A21 Summary

Karbonn A21 mobile was launched in December 2012. The phone comes with a 4.50-inch touchscreen display offering a resolution of 480x800 pixels. Karbonn A21 is powered by a 1.2GHz one-core Qualcomm Snapdragon S4 Play (MSM8225) processor. It comes with 512MB of RAM. The Karbonn A21 runs Android 4 and is powered by a 1800mAh non-removable battery.

As far as the cameras are concerned, the Karbonn A21 on the rear packs 5-megapixel camera. It sports a 1.3-megapixel camera on the front for selfies.

Karbonn A21 is based on Android 4 and packs 4GB of inbuilt storage that can be expanded via microSD card (up to 32GB). The Karbonn A21 is a dual-SIM (GSM and GSM) mobile that accepts Regular and Regular cards. It was launched in Pearl White colour.

Connectivity options on the Karbonn A21 include GPS and 3G.

As of 16th January 2026, Karbonn A21 price in India starts at Rs. 6,677.

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Karbonn A21 Full Specifications

General
Brand Karbonn
Model A21
Price in India ₹6,677
Release date December 2012
Form factor Bar
Battery capacity (mAh) 1800
Removable battery No
Colours Pearl White
Display
Screen size (inches) 4.50
Touchscreen Yes
Resolution 480x800 pixels
Hardware
Processor 1.2GHz one-core
Processor make Qualcomm Snapdragon S4 Play (MSM8225)
RAM 512MB
Internal storage 4GB
Expandable storage Yes
Expandable storage type microSD
Expandable storage up to (GB) 32
Camera
Rear camera 5-megapixel
Rear flash LED
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
FM No
Number of SIMs 2
Wi-Fi Direct No
Mobile High-Definition Link (MHL) No
SIM 1
SIM Type Regular
GSM/CDMA GSM
3G Yes
4G/ LTE No
Supports 4G in India (Band 40) No
SIM 2
SIM Type Regular
GSM/CDMA GSM
3G Yes
4G/ LTE No
Supports 4G in India (Band 40) 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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