Samsung R640 Character
Memory
| Call records | Yes |
| Phonebook | Yes, Photocall |
| Card slot | microSDHC (dedicated slot) |
Main Camera
| Video | |
| Single | 1.3 MP |
Selfie camera
No |
Display
Samsung TouchWiz Lite UI | |
| Resolution | 240 x 320 pixels, 4:3 ratio |
| Size | 2.8 inches, 24.3 cm2 (~41.3% screen-to-body ratio) |
| Type | TFT, 256K colors |
Body
| SIM | Mini-SIM |
| Keyboard | QWERTY |
| Weight | 120 g (4.23 oz) |
| Dimensions | 107 x 55 x 15 mm (4.21 x 2.17 x 0.59 in) |
Battery
| Talk time | Up to 5 h |
| Stand-by | Up to 288 h |
| Type | Removable Li-Ion 1000 mAh battery |
Sound
| 3.5mm jack | Yes |
| Loudspeaker | Yes |
Features
SNS applications MP4/H.263 player MP3/AAC+ player Organizer Voice memo Predictive text input | |
| Java | No |
| Games | Yes |
| Messaging | SMS, Email |
| Sensors |
Misc
| Price | About 130 EUR |
| SAR | 0.50 W/kg (head) 0.97 W/kg (body) |
| Colors | Electric Blue |
Comms
| USB | microUSB 2.0 |
| Radio | No |
| GPS | No |
| Bluetooth | 2.1, A2DP, EDR |
| WLAN | No |
Launch
| Status | Discontinued |
| Announced | 2011, July. Released 2011, July |
Network
| Speed | Yes, 384 kbps |
| 3G bands | CDMA2000 1x |
| 2G bands | CDMA 800 / 1900 |
| Technology |