Karbonn A21
| Network | 2G 3G | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 HSDPA 2100 |
| Size | Dimensions Weight Display | TFT capacitive touchscreen, 256K colors 480 x 800 pixels, 4.5 inches (~207 ppi pixel density) |
| Memory | Phonebook Call records Internal Card slot | Yes Yes 4 GB, 512 MB RAM microSD, up to 32 GB |
| Data | GPRS EDGE 3G WLAN Bluetooth Infrared port USB | Yes Yes HSDPA, 7.2 Mbps Wi-Fi 802.11 b/g/n v2.1 with A2DP microUSB v2.0 |
| Features | OS CPU Messaging Ringtones Browser Radio GPS Games Camera Video Colors Java | Android OS, v4.0 (Ice Cream Sandwich) Dual-core 1.2 GHz SMS, MMS, Email, Push Email, IM Vibration, MP3, WAV ringtones HTML A-GPS support Yes 5 MP, 2592Ñ…1944 pixels, autofocus, LED flash Yes Pearl white via Java MIDP emulator - Loudspeaker - Dual SIM (Mini-SIM) - Multitouch - 3.5mm jack - Geo-tagging, face detection - Accelerometer, proximity (sensors) - SNS integration - MP3/AAC/WMA/WAV player - MP4/WMV/H.264/H.263 player - Organizer - Document viewer - Voice memo/dial - Predictive text input - Clock - Calendar - Alarm |
| Battery | Stand-by Talk time | Standard battery, Li-Ion 1800 mAh Up to 200 h Up to 5 h |
Image: http://www.gsmarena.com/karbonn_a21-pictures-5189.php