The radio is built into most chips, even on feature phones. They are generally blocked, or have been until recently, mainly because of politics--using an FM re

The radio is built into most chips, even on feature phones. They are generally blocked, or have been until recently, mainly because of politics--using an FM receiver means you might use less bandwidth, which means less revenue for carriers. I have a couple of feature phones built for the Russian market that have FM enabled. I think most non-US phones actually have working FM receivers, but I am not certain of that.