| Local Name | Classic C21 |
| Additional Information | - Single SIM: CLASSIC CC21 - Dual SIM: CLASSIC C21 |
| Technology | GSM |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 | GSM 850 / 900 / 1800 / 1900 - SIM 2 |
| GPRS | Up to 48 kbps |
| EDGE | No |
| Announced | 2014, March |
| Status | Available. Released 2014, April |
| Dimensions | 106 x 45 x 14.5 mm (4.17 x 1.77 x 0.57 in) |
| Weight | 73 g without battery (2.57 oz) |
| SIM | Dual SIM (Mini-SIM) |
| Display Type | TFT, 65K colors |
| Screen Size | 1.8 inches (~21.4% screen-to-body ratio) |
| Resolution | 128 x 160 pixels (~114 ppi pixel density) |
| Card Slot | microSD, up to 8 GB |
| Phone Book | Yes |
| Call Records | Yes |
| Internal Memory | 32 Mb + 32 Mb |
| Primary Camera | VGA |
| Camera Features | Yes |
| Video | No |
| Secondary Camera | No |
| Alert Types | Vibration; ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.1 |
| GPS | No |
| Radio | Stereo FM radio |
| USB | microUSB |
| Messaging | SMS |
| Browser | WAP |
| Games | No |
| Java | No |
| Features Summary | Video player, Music player, Organizer |
| Battery | Removable Li-Ion 600 mAh battery |
| Stand By | Up to 150 h |
| Talk Time | Up to 4 h |
| Colors | Red, Green, Blue, Purple, White, Gray, Black |