| Local Name | T639 |
| Additional Information | For T-Mobile |
| Technology | GSM / UMTS |
| 3G Bands | UMTS 1700 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | Yes |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2007, October |
| Status | Discontinued |
| Dimensions | 94 x 38 x 17 mm (3.70 x 1.50 x 0.67 in) |
| Weight | 91 g (3.21 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.2 inches (~42.6% screen-to-body ratio) |
| Resolution | 176 x 220 pixels (~128 ppi pixel density) | Second external, monochrome display (32 x 128 pixels) |
| Card Slot | microSD, up to 2 GB |
| Phone Book | 1000 entries, Photocall |
| Call Records | 30 dialed, received, missed calls |
| Internal Memory | 30 MB |
| Primary Camera | 1.3 MP, 1280 x 1024 pixels |
| Camera Features | Video-calling |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | No |
| Radio | No |
| USB | Yes |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/xHTML, HTML (NetFront 3.4) |
| Games | Yes + Downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3 player, Video player, Voice memo, Organizer, World clock |
| Battery | Li-Ion 880 mAh battery |
| Stand By | Up to 250 h |
| Talk Time | Up to 4 h |
| Colors | Red, Green, Blue, Cyan |
| SAR US | 0.83 W/kg (head) 0.38 W/kg (body) |
