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.
The external display shows the date, time, battery life, signal strength and caller ID (if available).
The camera has self timer, cropping (Fun Frame), color tone options and, brightness and white balance controls.
[2] With dimensions of 3.6 x 1.8 x 0.09 inches and weighing 3.2 ounces, the Samsung SPH-A640 comes with a Standard 800 mAh Li-Ion Battery,[4] Travel Charger, and User Manual.
He praised the clear call quality, and considered the VGA camera, Bluetooth and speakerphone as the pros of the device.