| Local Name | 7900 Crystal Prism |
| Technology | GSM / UMTS |
| 3G Bands | UMTS 850 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | Yes, 384 kbps |
| GPRS | Class 32, 107 kbps |
| EDGE | Class 32, 296 kbps |
| Announced | 2008, January. Released 2008, June |
| Status | Discontinued |
| Dimensions | 112 x 45 x 11.3 mm, 55 cc (4.41 x 1.77 x 0.44 in) |
| Weight | 101 g (3.56 oz) |
| SIM | Mini-SIM |
| Display Type | OLED, 16M colors |
| Screen Size | 2.0 inches (~24.6% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~200 ppi pixel density) |
| Card Slot | No |
| Phone Book | Yes |
| Call Records | 20 dialed, 20 received, 20 missed calls |
| Internal Memory | 1 GB |
| Primary Camera | 2 MP, 1600 x 1200 pixels, LED flash |
| Video | QCIF |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0 |
| GPS | No |
| Radio | No |
| USB | microUSB |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Games | Yes + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | UPnP technology, MP3/AAC/eAAC+/WMA player, Predictive text input, Organizer, Voice memo, Living wallpaper, Configurable keypad backlighting color |
| Battery | Li-Ion 850 mAh battery (BL-6P) |
| Stand By | Up to 240 h |
| Talk Time | Up to 3 h |
| Colors | Black |
| SAR US | 0.83 W/kg (head) 0.81 W/kg (body) |
| SAR EU | 0.93 W/kg (head) |
