| Local Name | i550 |
| Additional Information | Also version Samsung i550w with WLAN |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 2100 |
| 2G Bands | GSM 900 / 1800 / 1900 |
| Speed | HSPA 3.6/0.384 Mbps |
| GPRS | Class 12 |
| EDGE | Class 12 |
| Announced | 2007, August. Released 2008, February |
| Status | Discontinued |
| Dimensions | 115 x 53 x 13.8 mm (4.53 x 2.09 x 0.54 in) |
| Weight | 109 g (3.84 oz) |
| SIM | Mini-SIM |
| Body | Trackball |
| Display Type | TFT, 256K colors |
| Screen Size | 2.6 inches (~34.3% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~154 ppi pixel density) |
| OS | Symbian OS 9.2, Series 60 v3.1 UI |
| Chipset | TI OMAP 2430 |
| CPU | 330 MHz ARM 1136 |
| GPU | PowerVR MBX |
| Card Slot | microSD |
| Internal Memory | 150 MB |
| Primary Camera | 3.15 MP, 2048 x 1536 pixels, autofocus, LED flash |
| Video | Yes |
| Secondary Camera | VGA videocall camera |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g (Samsung i550w only) |
| Bluetooth | v2.0, A2DP |
| GPS | Yes |
| Radio | FM radio |
| USB | v2.0 |
| Messaging | SMS, EMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Java | Yes, MIDP 2.0 |
| Features Summary | WMV/RV/MP4/3GP player, MP3/WMA/WAV/RA/AAC/M4A player, Organizer, Document viewer (Word, Excel, PowerPoint, PDF) |
| Battery | Li-Ion 1200 mAh battery |
| Stand By | Up to 360 h |
| Talk Time | Up to 8 h |
| Colors | Black, Silver |
| SAR US | 0.32 W/kg (head) 0.41 W/kg (body) |
| SAR EU | 0.72 W/kg (head) |