| Local Name | K550 |
| Additional Information | - K550i 850/900/1800/1900 MHz - K550c 850/900/1800/1900 MHz for China Mainland |
| Technology | GSM |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| GPRS | Class 10 |
| EDGE | Yes |
| Announced | 2007, February |
| Status | Discontinued |
| Dimensions | 102 x 46 x 14 mm (4.02 x 1.81 x 0.55 in) |
| Weight | 85 g (3.00 oz) |
| SIM | Mini-SIM |
| Display Type | TFD, 256K colors |
| Screen Size | 1.9 inches (~24.2% screen-to-body ratio) |
| Resolution | 176 x 220 pixels (~148 ppi pixel density) | Wallpapers, screensavers |
| Card Slot | Memory Stick Micro (M2), up to 2 GB |
| Phone Book | 1000 x 20 fields, Photo call |
| Call Records | 30 received, dialed and missed calls |
| Internal Memory | 77 MB |
| Primary Camera | 2 MP, 1632 x 1224 pixels, autofocus, LED flash |
| Video | QCIF |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | No |
| Infrared Port | Yes |
| Radio | Stereo FM radio with RDS |
| USB | v2.0 |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/xHTML, HTML(NetFront) |
| Games | Yes + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3/AAC/MP4 player, TrackID music recognition, Predictive text input, Adobe Photoshop Album, Organizer, Voice memo/dial |
| Battery | Li-Po 950 mAh battery (BST-33) |
| Stand By | Up to 350 h |
| Talk Time | Up to 7 h |
| Colors | Jet Black, Pearl White, Plum Ruby, Sophisticated Silver |
| SAR US | 1.37 W/kg (head) 0.87 W/kg (body) |
| SAR EU | 1.25 W/kg (head) |
