I have a Sony Ericssonís xperia mini thatís x10, and I want to install the new software as in this one I am getting errors while accessing the internet, but I am confused that how to install it? And can I overwrite on the existed one, or I have to reinstall it? Because the problems is like, I have so many applications that I get very difficultly. And if I reinstall it I have to reinstall it them too. Any suggestion, as they all are important.