April 2nd, 2007 by 
admin 
The Sprint a640 by Samsung is an entry level, flip-style camera phone that has an easy to use menu system. The model is capable of walkie talkie communication through Sprint ready link, and has a really nice feature set for a free phone.
The model operates on 800 and 1900 MHz CDMA networks, and on 800 MHz analog, making making service reception available in some harder to reach areas. The model sports talk time of almost 4 hours. This is only going to work in digital areas, the battery will drain much more quickly if used in analog mode.
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