Karbonn A21

About Karbonn

1. Founded in 2009, Karbonn mobiles is a very well known Indian brand. It primarily deals in affordable and value for money mobiles and tablets.

2. Karbonn has more than 1600 service centres in almost all the cities in India.

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Karbonn A21 details

Buy For
  • Android 4.0 on the board
  • Powerful configuration
  • A complete phone
  • Value for money
Beware of
  • No 3G on second SIM

Karbonn A21 is the cheapest dual core Android mobile. Priced aptly below 10K, Karbonn A21 has every feature you may need. It’s a great phone at great bargain. Grab one before its sold out.

Most powerful and affordable Droid

Karbonn A21 is a perfect phone for the people who want to go beyond 4 inch screen but consider 5 inch too large to handle. Considering the configuration it’s the most powerful Android mobile under Rs. 10,000 in India.

Karbonn A21 sports a 4.5 inch capacitive touch screen running Android 4.0 ICS powered by 1.2 GHz dual core processor. The awesome configuration ensures a smooth user interface and game play experience.

Karbonn A21 features a 5 Mega Pixel camera with Auto focus and LED flash. It also features a 1.3 MP front camera for video calling. On the connectivity front, it has all the options like 3G, Wi-Fi, GPS etc. For storage, it houses an inbuilt memory of 4GB which can further be expanded via Micro SD card.

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Karbonn A21 GSM Mobile Phone (Dual SIM) (White) 1-7 Working Days Free Shipping
Rs. 4,994.00
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Disclaimer: The price & specs shown may be different from actual. Please confirm on the retailer site before purchasing. Error? Report to us
Karbonn A21 Price
  • Karbonn A21
  • Karbonn A21
  • Karbonn A21
  • Karbonn A21
  • Karbonn A21
  • Karbonn A21
198 User Reviews
Rs.  8,288 (out of stock )
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This product is currently not available in any online store.
Key Specs See Full Specs
Android v4 (Ice Cream Sandwich)
  • Performance
  • Display
  • Camera
  • Battery
  • Available
  • 4 GB + 32 GB Expandable
  • Dual SIM
  • FM Radio
What makes Karbonn A21 unique?  
  • The fastest Karbonn phone with Dual-Core processor
Karbonn A21 is currently out of stock. Here are similar products that are available in store

User Reviews for Karbonn A21

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3.8 /5 BASED ON 318 RATING(S)
  • 5 stars
  • 4 stars
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  • 1 stars
User Review Summary
All reviews
awesome camera (6)
awesome battery backup (7)
bad battery backup (1)
battery issue (3)
awesome display (10)
display issue (1)
connectivity issues (3)
awesome phone (31)
value for money (9)
amazing performance (3)
great sound (1)
hanging issue (14)
heating issue (2)
awesome performance (2)
poor front camera (1)
poor sound (4)
viewing angles (1)
service center (5)
build quality (8)
flash (8)
reading (5)
features (30)
gaming (42)
beautiful (2)
fonts (1)
recording (3)
touch sensitivity (1)
face detection (2)
panorama (3)
video chat (1)
+ 21 more
198 User Review(s) Review talking about - Read all Great camera Reviews
24 Oct 2012 By Anurup Srivastava On flipkart.com

I am using this phone for 10 days now. There are many good things which people have mentioned so time for some real things.nn1. The processor although "dual-core" is very sluggish. You install a live wallpaper and the phone starts to lag.nn2. Cellular signals are not very strong and they keep coming and going.nn3. Phone charging is fast but discharge even faster. Currently I need to charge the phone twice a day if I am using data connection/wi-fi for around an hour.nn4. The charger pin is hard to remove and if you try to force it out, the plastic back also comes out along with it. The back does not fits completely and there is considerable gap in the sides.nn5. If you are using your apps in USB mode the touch starts to act funny(maybe only in my case). You touch somewhere and the response comes somewhere else. You try to open one app but another one opens up.nn6. The front camera although is 1.3 MP but the output is very sluggish. nn7. The rear camera is good but if you try to take a panorama shot, the image is blur and jumbled.nn8. The phone is not playing any video which is above 20 mb in size. I tried playing the videos through MX player but they just do not run.nn9. RAM is 512 mb however the phone is not running any HD game.nnSo, make a informed decision.nnThanks.

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"So far so good"
27 Oct 2012 By N Shaji On flipkart.com

I have gone for this phone because of its features and its price advantage. One month back I bought Sony Xperia P for one of my family members. After spending Rs.23,000, it still gets stuck while opening the Gallery and the Maps. Every time I need to restart the phone to get the Gallery open. If the performance of a phone of Rs.23000 itself is like this, then I thought that, nothing is wrong in buying a phone with better features at lowest price. So I decided to buy Karbonn A21 for myself.nI got my Karbonn A21 through Flipkart yesterday. Let me review about the Pros and Cons of this phone by comparing with our Sony Xperia P.nPros: n• Wide Screen display of 4.5” against 4” in Xperia Pn• Slimmer than Xperia Pn• 1.2 GHz Dual core processor against 1 GHz Dual coren• Internet connection through Wifi Direct is faster than Xperia Pn• 12 Hrs continuous battery life while browsing against 5 Hrs in Xperian• Phone comes with scratch guard film fixed and one additional film in the boxn• Dual GSM sim card facility against single GSM simn• Equally good touch screen display and graphicsn• Camera quality is equally good although it is 5 MPixn• Lesser SAR value than Xperia Pn• 1.3 MP Secondary camera against 0.3 MP in Xperia Pn• Normal Sims against Micro Sim in Xperia.n• Battery can be removed, against inbuilt in Xperia PnCons:n• Weight of 130 Gms against 120 Gmsn• Back Cover looks flimsyn• Even though screen display can be compared with xperia P, touch response of A21 has a lag of fraction of seconds.n• Charger adopter slot in the phone is very tightn• No HD video callingn• 3D sweep panorama in camera not availablen• Although face detection is available, smile detection is not availablenGeneral Satisfaction level:n “ All is Well” in both these phones, Except “Price and Fame!”

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Karbonn A21 User Reviews

Karbonn A21 Specifications

Brand Karbonn
Model A21 Android
Operating System Android v4 (Ice Cream Sandwich)
SIM Slot(s)
Network 3G: Available, 2G: Available
Height 112 mm Compare Size
Width 60.5 mm
Thickness 11.5 mm
Weight 104 grams
Colours Black
Screen Size
4.5 inches (11.43 cm)
Screen Resolution
480 x 800 pixels
Pixel Density
207 ppi
Display Type
Touch Screen yes Capacitive Touchscreen, Multi-touch
Screen to Body Ratio
84.98 %
Chipset Qualcomm Snapdragon S4 Play MSM8225
Dual core, 1.2 GHz, Cortex A5
Adreno 203
512 MB
Internal Memory
4 GB
Expandable Memory
yes Up to 32 GB
Main Camera
Resolution 5 MP Primary Camera
Autofocus yes
Flash yes LED Flash
Image Resolution 2592 x 1944 Pixels
Camera Features Digital Zoom
Front Camera
Resolution 1.3 MP Front Camera
1800 mAh
Type Li-ion
Up to 5 Hours(2G)
Standby time
Up to 200 Hours(2G)
Network & Connectivity
Network Support
3G, 2G
3G Bands:
UMTS 2100 MHz
2G Bands:
GSM 1800 / 1900 / 900 MHz
3G Speed:
HSDPA 7.2 Mbit/s ↓
2G Bands:
GSM 1800 / 1900 / 900 MHz
Wi-Fi yes Wi-Fi 802.11, b/g/n
yes v2.1
USB Connectivity
USB 2.0, microUSB 2.0
FM Radio
Loudspeaker yes
Audio Jack 3.5 mm
Special Features
Other Sensors Accelerometer
Disclaimer: The price & specs shown may be different from actual. Please confirm on the retailer site before purchasing. Error? Report to us
Karbonn A21 Photo Albums
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