The final version along with general availability of the highly anticipated iPhone OS 3.1 firmware is expected to be announced on September 9th, in Apple’s “Rock and Roll” event at Yerba Buena Center for the Arts Theater in San Francisco. Here’s a list of features that will be part of the new firmware, based on the feature set of iPhone OS 3.1 Beta 1, Beta 2 and Beta 3 come September 9th.
