Apple to add Wi-Fi hotspot to GSM iPhone with iOS 4.3 - rumor
The new Personal Hotspot feature on iOS 4.2.5 will not remain exclusive to the CDMA variant of the iPhone 4, and will arrive with the release of iOS 4.3 for existing GSM-based handsets, according to a new rumor.
http://feeds.appleinsider.com/click.phdo?i=42a90d3b0d7b238c3be7e80942bc5721