Karbonn KT21 Express
Memory
| Call records | Yes |
| Phonebook | 2000 entries |
| Card slot | microSDHC (dedicated slot) |
Main Camera
| Video | Yes |
| Features | LED flash |
| Single | 3.15 MP |
Selfie camera
No |
Display
| Resolution | 240 x 320 pixels, 4:3 ratio |
| Size | 2.8 inches, 24.3 cm2 |
| Type | TFT |
Body
| SIM | Dual SIM (Mini-SIM) |
| Weight | - |
| Dimensions | - |
Battery
| Type | Li-Ion 1000 mAh, removable |
Sound
| 3.5mm jack | Yes |
| Loudspeaker | Yes |
Features
Audio/video player Photo viewer Organizer | |
| Java | Yes |
| Games | Yes |
| Messaging | SMS, MMS, Email |
| Sensors | Proximity |
Misc
| Price | About 40 EUR |
| Colors | Black |
Comms
| USB | microUSB |
| Radio | FM radio, recording |
| NFC | No |
| GPS | No |
| Bluetooth | 2.0 |
| WLAN | No |
Launch
| Status | Discontinued |
| Announced | 2012 |
Network
| EDGE | Yes |
| GPRS | Yes |
| 2G bands | GSM - SIM 1 & SIM 2 |
| Technology |