Concave screen on the smartphone is not new. Google Smartphone Samsung Nexus S made that have been circulating widely on the market first to adopt this kind of screen.
iPhone 5 predicted attend this year, but to different predictions launch schedule. Some parties claim mid year, some estimates in September ahead of the holiday season.
If this is true, pointed out there will be significant design changes in the iPhone 5 than previous generations. IPhone 5 also predicted will adopt dual-core processor and 8- megapixel camera.