nope
Absolutely not. That would be super presumptuous of anyone to do provided the strict FCC requirements. To attempt to slide something by them would be a huge mistake.
If the device is capable of use on a specific band, that has to be disclosed to the FCC or else you will have a product that is in violation of FCC requirements.
Or if the software on the wireless chip can be upgraded by flashing it.
One thing Apple did recently is announce that it would upgrade both the iPhone and AppleTV over time, and at that time, pundits speculated this was to overcome the $2 fee fiasco that Apple went through to upgrade/activate the 802.11n capabilities already built into some WiFi chips.
Now, if it is possible, Apple could upgrade/activate hardware on your iPhone (i.e., converting EDGE to 3G) without running into trouble with the "generally accepted accounting principles".
Absolutely not. That would be super presumptuous of anyone to do provided the strict FCC requirements. To attempt to slide something by them would be a huge mistake.
If the device is capable of use on a specific band, that has to be disclosed to the FCC or else you will have a product that is in violation of FCC requirements.