Nokia Lumia 900 will be a start of upcoming threat to otherwise iphone and android driven smart phone market? Lumia 900 needs to achieve two important missions – rebirth of Nokia and establishing a basic battle field for Microsoft before the ultimate launch of Windows 8 later this year. So far Nokia Lumia got many nice reviews about the phone itself which is a supporting factor for Nokia – the company that is famous for making robust handsets. Since the software is now Windows 7 based, may be people are not expecting too much – they might have the basic intention to upgrade their OS when Windows 8 is live. Read a review here.