AT&T announced today that they have optimized their Wi-Fi Hot Spots to have support for Wi-Fi Auto-Authentication with the new iPhone OS 3.0. AT&T customers had access to over 20,000 Wi-Fi Hot Spots in the US but had to manually connect to the network using SMS. Wi-Fi Auto-Authentication will make it easier and faster for iPhone owners to connect to AT&T Wi-Fi.

Auto-authentication allows iPhone users to seamlessly switch from AT&T’s 3G network to an AT&T Wi-Fi Hot Spot without being prompted. AT&T customers with qualifying iPhone data plans have unlimited access to the nation’s largest Wi-Fi network — more than 20,000 U.S. AT&T Wi-Fi Hot Spots. The new process eliminates the previous two-step authentication, making it easier and faster for iPhone customers to connect to AT&T Wi-Fi. Auto-connect is established once a customer connects their iPhone to an AT&T Wi-Fi Hot Spot the first time.

This new feature will be available to all existing and new iPhone customers who have updated and installed the new iPhone OS 3.0 software starting today.

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