| Local Name | 6600i slide |
| Technology | GSM / UMTS |
| 3G Bands | UMTS 850 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | Yes, 384 kbps |
| GPRS | Class 32, 88 kbps |
| EDGE | Class 32, 296 kbits |
| Announced | 2009, May |
| Status | Available. Released 2009, July |
| Dimensions | 93 x 45 x 14 mm, 52 cc (3.66 x 1.77 x 0.55 in) |
| Weight | 110 g (3.88 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 16M colors |
| Screen Size | 2.2 inches (~35.8% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~182 ppi pixel density) |
| Card Slot | microSD, up to 16 GB, 1 GB included |
| Phone Book | Yes, up to 1000 entries, Photocall |
| Call Records | Yes |
| Internal Memory | 20 MB |
| Primary Camera | 5 MP, 2592 х 1944 pixels, autofocus, dual-LED flash |
| Video | 480p@15fps |
| Secondary Camera | VGA |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | No |
| Radio | Stereo FM radio with RDS |
| USB | microUSB v2.0 |
| Sensors | Accelerometer |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/xHTML, HTML, Adobe Flash Lite |
| Games | Yes |
| Java | Yes, MIDP 2.1 |
| Features Summary | MP3/WAV/eAAC+/WMA player, MP4/H.263 player, Organizer, Voice memo/commands, Predictive text input |
| Battery | Li-Ion 1000 mAh battery (BL-4U) |
| Stand By | Up to 348 h (2G) / Up to 300 h (3G) |
| Talk Time | Up to 4 h (2G) / Up to 3 h (3G) |
| Colors | Black, Silver |
| SAR US | 0.41 W/kg (head) 0.29 W/kg (body) |
| SAR EU | 0.35 W/kg (head) |
