Karbonn A21


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General 2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100
SIM Dual SIM (Mini-SIM)
Announced 2012
Status Available
Body Dimensions -
Weight -
Display Type TFT capacitive touchscreen, 256K colors
Size 480 x 800 pixels, 4.5 inches (~207 ppi pixel density)
Multitouch Yes
Sound Alert types Vibration, MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes
Memory Card slot microSD, up to 32 GB
Internal 4 GB, 512 MB RAM
Data GPRS Yes
Speed HSDPA, 7.2 Mbps
WLAN Wi-Fi 802.11 b/g/n
Bluetooth v2.1, A2DP
USB microUSB v2.0
Camera Primary 5 MP, 2592 х 1944 pixels, autofocus, LED flash
Features Geo-tagging, face detection
Video Yes
Secondary 1.3 MP
Features OS Android OS, v4.0 (Ice Cream Sandwich)
CPU Dual-core 1.2 GHz
Sensors Accelerometer, proximity
Messaging SMS(threaded view), MMS, Email, Push Email, IM
Browser HTML
Radio No
GPS Yes, with A-GPS
Java Yes, via Java MIDP emulator
Colors Pearl White
 - SNS integration
- MP3/AAC/WMA/WAV player
- MP4/WMV/H.264/H.263 player
- Organizer
- Document viewer
- Voice memo/dial
- Predictive text input
Battery   Li-Ion 1800 mAh battery
Stand-by Up to 200 h
Talk time Up to 5 h
Misc SAR EU 0.44 W/kg (head)    
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Karbonn A21 - user opinions and reviews

  • ketan

i am not able to receive any satisfactory reply nor received my repaired mobile. I have mailed so many times ( Minimum 15 Mails )to customer care but they have no idea that when i may able to get back my repaired mobile... and they are not ready ...

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  • 2014-09-12 15:02
  • uvAR
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  • Vivek

I Vivek Sharma purchased A Karbonn Mobile model Titanium S-1 IMEI No.911305350823119 about six month back. there was some problem with touch screen in that mobile and it was in guarantee period so I gave it to Jankpuri Service center Delhi on 13t...

  • Reply
  • 2014-08-22 11:44
  • bEQg
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  • Anonymous

i have purchased karbonn a1 smart since from beginning battery is not working one of the worst phone i have purchased. Company is not listening at all. Battery is not available in the market so anyone dont buy this brand.

  • Reply
  • 2014-08-20 16:12
  • utjQ
  • H

Karbonn A21 wholesale price history provided by cellpex