| Local Name | 5100 |
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 / 1900 |
| GPRS | Class 4 |
| EDGE | No |
| Announced | 1Q, 2003 |
| Status | Discontinued |
| Dimensions | 108 x 49 x 22 mm, 89 cc (4.25 x 1.93 x 0.87 in) |
| Weight | 104 g (3.67 oz) |
| SIM | Mini-SIM |
| Body | Flashlight |
| Display Type | CSTN, 4096 colors |
| Screen Size | 1.5 inches (~13.7% screen-to-body ratio) |
| Resolution | 128 x 128 pixels (~121 ppi pixel density) | White backlight - Adjustable display brightness - Screensavers with clock - Wallpapers - Dynamic font size - Softkey |
| Card Slot | No |
| Phone Book | 300 |
| Call Records | 20 dialed, 10 received, 10 missed calls |
| Internal Memory | 725 KB | Editable message templates - Up to 150 SMS messages - Up to 250 Calendar notes - Max 45 kB MMS message |
| Alert Types | Vibration; Downloadable polyphonic, monophonic ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| Sound | Automatic volume control - Sound meter |
| WLAN | No |
| Bluetooth | No |
| GPS | No |
| Infrared Port | Yes |
| Radio | Stereo FM radio |
| Sensors | Thermometer |
| Messaging | SMS, MMS |
| Browser | WAP 1.2.1 |
| Clock | Yes |
| Alarm | Yes |
| Games | Java (Sky Diver, Triple Pop, and Bounce), removable |
| Languages | Major European languages |
| Java | Yes |
| Features Summary | Predictive text input, Organizer, Stopwatch, Calorie counter, Improved durability, Xpress-on covers |
| Battery | Li-Ion 760 mAh battery (BL-4C) |
| Stand By | Up to 150 - 300 h |
| Talk Time | Up to 2 - 5 h |
| Colors | Xpress-on covers |
| SAR EU | 0.48 W/kg (head) |
