| Local Name | C903 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 900 / 2100 | HSDPA 850 / 1900 / 2100 - C903a |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA |
| Announced | 2009, February. Released 2009, July |
| Status | Discontinued |
| Dimensions | 97 x 49 x 16 mm (3.82 x 1.93 x 0.63 in) |
| Weight | 96 g (3.39 oz) |
| SIM | Mini-SIM |
| Display Type | Removable Li-Po 1000 mAh battery |
| Screen Size | 2.4 inches, 17.8 cm2 (~37.5% screen-to-body ratio) |
| Resolution | 240 x 320 pixels, 4:3 ratio (~167 ppi density) |
| Protection | Scratch-resistant glass |
| Card Slot | Memory Stick Micro (M2), up to 16 GB |
| Phone Book | 1000 x 20 fields, Photo call |
| Call Records | 30 received, dialed and missed calls |
| Internal Memory | 105MB |
| Camera Features | LED flash |
| Video | 320p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | 2.0, A2DP |
| Radio | Stereo FM radio, RDS |
| USB | 2.0 |
| Sensors | Accelerometer |
| Messaging | SMS(threaded view), MMS, Email, Push Email, IM |
| Browser | WAP 2.0/HTML (NetFront), RSS reader |
| Games | Yes, incl. motion-based + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3/AAC/MP4 player, TrackID music recognition, Photo editor, YouTube application, TV-out, Organizer, Voice memo/dial, Predictive text input |
| Stand By | Up to 400 h (2G) / Up to 350 h (3G) |
| Talk Time | Up to 10 h (2G) / Up to 4 h (3G) |
| Colors | Lacquer Black, Techno White, Glamour Red, Metal Pink, Warm Silver |
| SAR EU | 0.55 W/kg (head) |