| Local Name | 903 |
| Additional Information | Sharp SX833 for China |
| Technology | GSM / UMTS |
| 3G Bands | UMTS 2100 |
| 2G Bands | GSM 900 / 1800 / 1900 |
| Speed | Yes, 384 kbps |
| GPRS | Class 10 |
| EDGE | No |
| Announced | 2005, July |
| Status | Discontinued |
| Dimensions | 109 x 50 x 29 mm (4.29 x 1.97 x 1.14 in) |
| Weight | 140 g (4.94 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.4 inches, 36 x 48 mm, 17.8 cm2 (~32.7% screen-to-body ratio) |
| Resolution | 240 x 320 pixels, 4:3 ratio (~167 ppi density) |
| Card Slot | miniSD, 64 MB included |
| Phone Book | 500 entries, Photo call |
| Call Records | 20 dialed, 20 received, 20 missed calls |
| Internal Memory | 8 MB |
| Primary Camera | 3.15 MP, 2x optical zoom, LED flash |
| Video | 320p |
| Secondary Camera | Videocall camera |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| Sound | 3D stereo sound |
| WLAN | No |
| Bluetooth | 1.1 |
| GPS | No |
| Infrared Port | Yes |
| 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/AAC+ player, Predictive text input, Organizer, Voice memo, Barcode reading |
| Battery | Removable Li-Ion 900 mAh battery |
| Stand By | Up to 250 h |
| Talk Time | Up to 4 h |
| Colors | Black |