According to BGR, it has been "confirmed" that the personal hotspot feature will be rolled out to all iPhones regardless of carrier with iOS 4.3. (Naturally, the carrier is going to come into play somehow, so AT&T users might not be able to take advantage of this feature so easily.)
Expected to drop in March, the OS version will be 8F5148b and the baseband will be 04.08.00. Users will be able to connect up to five devices to the hotspot via Wi-Fi and possibly Bluetooth. Of course, if you don't have an unlimited (or at least 2GB) data plan, this will surely eat up your data usage allotment quickly.
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