Apple iPhone OS 4.0 Review
Phone OS 4.0 was unveiled to the world in April by Steve Jobs, with a launch expected sometime in June. Immediately after the announcement of this new version, it was released to registered iPhone developers to begin testing their applications ahead of the launch.
I have been using OS 4.0 on my iPhone 3GS on a daily basis now, and I am pleased at what it has to offer. Here is a glimpse at the new features you can expect.