| Local Name | F400 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 2100 |
| 2G Bands | GSM 900 / 1800 / 1900 |
| Speed | HSPA 3.6/0.384 Mbps |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2008, February. Released 2008, June |
| Status | Discontinued |
| Dimensions | 103.2 x 48.2 x 16.9 mm (4.06 x 1.90 x 0.67 in) |
| Weight | 105 g (3.70 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.2 inches (~30.1% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~182 ppi pixel density) | Dual slide design |
| Card Slot | microSD, up to 8 GB; 1 GB included |
| Phone Book | 1000 entries, Photo call |
| Call Records | 30 dialed, 30 received, 30 missed calls |
| Internal Memory | 24 MB |
| Primary Camera | 3.15 MP, 2048 x 1536 pixels, autofocus, LED flash |
| Video | Yes |
| Secondary Camera | Yes |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| Sound | DNSe 2.0 (Digital Natural Sound Engine) |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | No |
| Radio | Stereo FM radio with RDS |
| USB | v2.0 |
| Messaging | SMS, EMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Games | Yes + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3/AAC/eACC/WMA player, Music recognition, Predictive text input, Photo editor, Organizer |
| Battery | Li-Ion 960 mAh battery |
| Stand By | Up to 620 h |
| Talk Time | Up to 4 h 30 min |
| Colors | Silver, Red |
| SAR US | 0.30 W/kg (head) 0.50 W/kg (body) |
| SAR EU | 0.50 W/kg (head) |
