i-mobile 638CG
Release year: 2009
The i-mobile 638CG is a Dual SIM mobile phone, meaning it is capable of supporting two SIMs simultaneously. It is a TriBand (CDMA 800) equipped with a 3.15 MP camera with a resolution of 2048x1536 pixels and a display capable of displaying 256K colors with a resolution of 240 x 320 pixels. Among its features are vibration, expandable memory, FM radio, MP3/MPEG4/3GP player, polyphonic and mp3 ringtones, WAP 2.0/xHTML, EMS and MMS messages, games, calculator, organizer and TV tuner. In addition, it is possible to customize sounds, games and images and connect via USB cable and Bluetooth.
Technical specifications
| Networks | Tri-band GSM 900 / 1800 / 1900 MHz |
| Dimensions | 113 x 51 x 14.5 mm |
| Battery | Li-Ion 1050 mAh |
| Standby time | 400 h |
| Talk time | 8 h 30 min |
In the box: Travel charger, user manual
Messaging
| SMS |  |
| EMS | |
| MMS | |
| Predictive text (T9) | |
| Chat |  |
Design and display
| Display | TFT, 256K colors and 240 x 320 pixels |
| Adjustable contrast | |
| Multi-line display | |
| Display color | 256K |
| Display size | 240 x 320 pixels |
| Backlit keypad | |
| Keypad lock | |
| One-touch phonebook access | |
| Antenna | internal |
| Vibration | |
| Headphone jack | |
Features
| SIM Application Toolkit | |
| Dual SIM | |
| Built-in speakerphone | |
| J2ME support | |
| Conference calling | |
| Phonebook entries | 1000 |
| Memory | 25 MB expandable with microSD up to 8 GB |
Connectivity
| GPRS | |
| WAP | |
| IrDA (infrared) | |
| |
| Bluetooth | |
| USB | |
Personalization
| MP3 player | |
| Custom ringtones | |
| Silent mode | |
| Downloadable ringtones | |
| Polyphonic ringtones | |
| Downloadable images and logos | |
| AM/FM stereo radio | |
| Games | |
| Downloadable games | |
| Alarm clock | |
| Calculator | |
Camera
| Camera | |
| Sensor | 3.15 MP |
| Image resolution | 2048x1536 pixels |
| Zoom | Yes |
| Flash | No |
Video
| Video recording | |