The real question to whether this rumor has any legs is to find out if the IP4 has 1700Mhz support (Tmobile uses this). The specs released to the public dont list this band BUT the FCC filing/certification for the IP4 should have that information.
This should be public record - right??
It could have the radio to support 1700MHz, but was never tested for it (by the FCC), and therefore will have to go through the review process for that frequency.
Just because the website doesn't list it doesn't mean the phone doesn't support it (ala the source, Cult of Mac). -- My Blog 2.0