Hi, Im new to smartphones so i dont really know how to use one. almost everyday i download and delete apps with my samsung galaxy s . Now i kinda feel like my phone is messed up. Its like theres somethin wrong. Can someone help me how can i restore everyrthing back? I mean how can i get back all the data and apps that came with my phone when i first got it? Oh and how do i upgrade to froyo 2.2?