ATT announces Wifi hotspot for Apple iPhone 4 from March 11

ATT has confirmed that after March 11 (iOS update 4.3) iPhones running in ATT network should be able to support wifi tethering and allowing other devices to use ATT network through iPhone as wifi modem.

The addition was expected as Apple announced the same for ipad 2 during its launch. The iOS 4.3 update unlock it for the all the iPhone 4 devices.