I am planning on getting a Samsung A640 from Sprint. I have read that flashing antennas will not work with Sprint phones(yes I am aware that the phone has an internal antenna but they also make a flashing battery for it) Do flashing batteries drain your battery, and will it even work with a Sprint phone?Can someone help me out about a Samsung A640 with Sprint as my carrier?
What the heck are flashing attenae and flashing batteries? I have heard of flashing a battery to get the charge into it but that doesn't sound like what you are talking about.
If you are going to be a lot of talking from your car and the A640 has an external antenna connector, you might want to use that feature to improve signal.
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