| Local Name | X820 |
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 / 1900 |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2006, May |
| Status | Discontinued |
| Dimensions | 113 x 50 x 6.9 mm (4.45 x 1.97 x 0.27 in) |
| Weight | 66 g (2.33 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 1.8 inches, 35 x 28 mm (~18.0% screen-to-body ratio) |
| Resolution | 220 x 176 pixels (~157 ppi pixel density) |
| Card Slot | No |
| Phone Book | 1000 entries, Photocall |
| Call Records | 30 dialed, 30 received, 30 missed calls |
| Internal Memory | 80 MB | 3.7 MB for messages |
| Primary Camera | 2 MP, 1600 x 1200 pixels |
| Video | CIF |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v1.2, A2DP |
| GPS | No |
| Radio | No |
| USB | Yes |
| Messaging | SMS, EMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Games | Yes + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3/AAC/AAC+ player, Predictive text input, Organizer, Document viewer (Word, Excel, PowerPoint, PDF), TV-out, Voice memo |
| Battery | Li-Po 630 mAh battery |
| Stand By | Up to 210 h |
| Talk Time | Up to 2 h 30 min |
| Colors | Black/Blue, Silver, Pink |
| SAR US | 1.19 W/kg (head) 0.28 W/kg (body) |
| SAR EU | 0.64 W/kg (head) |
