| Local Name | i400 |
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 / 1900 |
| GPRS | Class 10 |
| EDGE | Yes |
| Announced | 2007, April. Released 2008 |
| Status | Discontinued |
| Dimensions | 101 x 50 x 15.8 mm (3.98 x 1.97 x 0.62 in) |
| Weight | 92 g (3.25 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.3 inches (~32.4% screen-to-body ratio) |
| Resolution | 320 x 240 pixels (~174 ppi pixel density) |
| OS | Symbian OS 9.2, Series 60 v3.1 UI |
| Chipset | TI OMAP 2430 |
| CPU | 330 MHz ARM 1136 |
| GPU | PowerVR MBX |
| Card Slot | microSD |
| Internal Memory | 40 MB |
| Primary Camera | 2 MP, 1600 x 1200 pixels |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| Sound | Dual speaker |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | No |
| Radio | No |
| USB | v2.0 |
| Messaging | SMS, MMS, EMail, Instant Messaging |
| Browser | WAP 2.0 / HTML |
| Java | Yes, MIDP 2.0 |
| Features Summary | WMV/RV/MP4/3GP player, MP3/WMA/WAV/RA/AAC/M4A player, Document viewer (Word, Excel, PowerPoint, PDF), Predictive text input, Voice memo/command, Organizer |
| Colors | Black, Red |
| SAR US | 0.21 W/kg (head) 0.26 W/kg (body) |
| SAR EU | 0.20 W/kg (head) |
