| Local Name | B520 |
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 |
| GPRS | Class 10 |
| EDGE | No |
| Announced | 2008, December. Released 2009 |
| Status | Discontinued |
| Dimensions | 96 x 47 x 17.5 mm (3.78 x 1.85 x 0.69 in) |
| Weight | 94 g (3.32 oz) |
| SIM | Mini-SIM |
| Display Type | CSTN, 65K colors |
| Screen Size | 1.77 inches (~21.9% screen-to-body ratio) |
| Resolution | 128 x 160 pixels (~116 ppi pixel density) | Wallpapers, screensavers |
| Card Slot | microSD, up to 2 GB |
| Phone Book | 1000 contacts, Photo call |
| Call Records | 30 dialed, 30 received, 30 missed calls |
| Internal Memory | 20 MB |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | No |
| Bluetooth | No |
| GPS | No |
| Radio | FM radio, FM recording, dedicated key |
| USB | v2.0 |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/xHTML, HTML |
| Games | Yes |
| Java | Yes, MIDP 2.0 |
| Features Summary | Organizer, Voice memo, Predictive text input |
| Battery | Li-Ion 800 mAh battery |
| Stand By | Up to 390 h |
| Talk Time | Up to 7 h |
| Colors | Black |
| SAR EU | 0.49 W/kg (head) |
