| Local Name | U8550 |
| Technology | GSM / UMTS |
| 3G Bands | UMTS 2100 |
| 2G Bands | GSM 900 / 1800 / 1900 |
| Speed | Yes, 384 kbps |
| GPRS | Class 10 |
| EDGE | No |
| Announced | 2006, February |
| Status | Discontinued |
| Dimensions | 90 x 55 x 24.7 mm (3.54 x 2.17 x 0.97 in) |
| Weight | 135 g (4.76 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.2 inches (~31.5% screen-to-body ratio) |
| Resolution | 220 x 220 pixels (~141 ppi pixel density) | Second external TFT display, 65K colors, (128 x 160 pixels), 1.3 inches - Downloadable wallpapers |
| Card Slot | microSD |
| Phone Book | Yes |
| Call Records | 10 dialed, 10 received, 10 missed calls |
| Internal Memory | 20 MB |
| Primary Camera | 1.3 MP, 1280 x 960 pixels, LED flash |
| Video | Yes |
| Secondary Camera | VGA videocall camera |
| Alert Types | Vibration; Downloadable polyphonic, MP3, AAC ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| Sound | 3D surround |
| WLAN | No |
| Bluetooth | Yes |
| GPS | No |
| Radio | No |
| USB | Yes |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Games | Yes + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3/AAC/MP4 player, Predictive text input, Organizer |
| Battery | Li-Ion 1440 mAh battery |
| Stand By | Up to 220 h |
| Colors | Orange, Green, Silver |
