Karbonn A21 Dual core Processor Smartphone Review Price Specification

Karbonn A21 is budget Android ICS running Dual core powered smartphone from Karbonn. Karbonn A21 is powered by 1.2GHz dual core processor with 512MB of RAM. The device sports 4.5 inch Capacitive touch screen with qHD resolution of 960*540 pixels. Karbonn A21 price in India is ₹10,790.
The internal storage capacity of Karbonn A21 is 2.57 GBand memory can be added upto 32GB through microSD card. This dual sim smartphone has 5 megapixel primary camera and 1.3 megapixel front facing camera. Karbonn A21 is powered by 1800 mAh battery which is rated to provide upto 8 hours of talk time. For connectivity, the device supports 2G,3G,WiFi, USB,GPS and Bluetooth. SAR value of this device is 0.437W/kg.
Karbonn Dual sim Smartphones

Key Features of Karbonn A21:


  • 1.2 GHz Dual Core Scorpion Processor with 512 MB RAM
  • Android v4.0 (Ice Cream Sandwich) OS
  • 5 MP HD Primary Camera
  • 1.3 MP Secondary Camera
  • 4.5-inch Capacitive Touchscreen with qHD resolution
  • 2G,3G,WiFi, USB,GPS and Bluetooth
  • 2.57 GB internal memory
  • Expandable Storage Capacity of 32 GB
Advantages and Disadvantages of Karbonn A21:
Pros of Karbonn A21:
  • Large screen size and qHD screen resolution
  • Dual core processor
  • Decent primary camera performance
  • Affordable price Tag
  • Dual sim with Dual standby
Cons of Karbonn A21:
  • Mediocre signal capturing strength
  • Though it has Dual core powered processor, the phone at time feels sluggish due to low RAM size
  • Average viewing angles
  • No Gorilla Glass protection
  • Most unlikely to get Jelly Bean Update
  • Below average battery life
Karbonn A21 Specifications:
  • Operating Frequency:GSM - 900, 1800, 1900; UMTS - 2100
  • OS:Android v4 (Ice Cream Sandwich)
  • Processor:1.2 GHz Qualcomm Scorpion, Dual Core
  • Display:4.5 inch capacitibe touch screen
  • Screen resolution:qHD,960*540 pixels
  • Primary Camera:Yes, 5 Megapixel
  • Secondary Camera:Yes, 1.3 Megapixel
  • Flash:LED
  • Video Recording:Yes
  • Camera Features:Auto Focus, Face Detection
  • Battery:1800 mAh
  • Talktime:14 hrs (2G), 8 hrs (3G)
  • Standby Time:350 hrs (2G), 290 hrs (3G)
  • Internal memory:2.57 GB
  • Expandable Memory Slot: microSD, upto 32 GB
  • GPRS:Yes
  • EDGE:Yes
  • 3G:Yes, 7.2 Mbps HSDPA
  • WiFi:Yes, 802.11 b/g/n
  • WAP:Yes
  • USB connectivity:Yes
  • Tethering:USB, Wi-fi Hotspot
  • GPS Support:Yes, A-GPS with Google Maps
  • Bluetooth:Yes, v2.1
  • Audio Jack:3.5 mm
  • Music Player:Yes, Supports MIDI, WAV, MP3
  • Video Player:Yes, Supports MP4, AVI, 3GP, H.263, H.264
  • Ringtone:MP3, 64 polyphonic
  • Sensors:Light Sensor, 3D G-Sensor, Proximity Sensor
  • SAR Value:0.437 W/Kg
  • Additional Features:Customizable Home Screen, Live Motion Wallpapers, MMS Enabled, Voice Navigation, Games, Thinksoft Office, Wi-Fi Direct, Calculator, Alarm Clock, Stopwatch, World Times, Voice Recorder, Multi Language Support, Mobile TV, Caller ID with Photo, Power On / Off Animation, STK Enabled
  • Important Apps:Gmail, Twitter, Google Search, Google Play, Skype, Google Talk, Yahoo Messenger, Flickr, Picasa, Facebook, PayTM, NexGTv, WhatsApp, Google Currents