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The Samsung SPH-A640 (also A640) is a tri-mode dual band cellular telephone developed for PCS carriers like Sprint Nextel in the United States and Virgin Mobile in Canada. It contains an internal antenna but removing a protector behind the battery slot reveals an external antenna slot. The A640 has features that include SMS messaging and Push to talk walkie-talkie technology built-in camera voice recognition and Bluetooth technology depending on the carrier.

The bad: The Samsung SPH-A640 has a dull design, with a monochrome external display. Also, the speakerphone call quality is variable.1
 

Made by Samsung.

Connectivity
Bluetooth
Weight
3
Screen
128
Category
Samsung mobile phones
Battery
48000.0
Manufacturer
Samsung
Ext Screen
Organic LED display
Carrier
Sprint Nextel
Available
2006
Size
4
Networks
PCS
PTT
Camera
VGA camera
Ringtone
Internal
Memory
4.0

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