What can be modified in w810?

[horton]

here is the files which allow you to upgrade your java version to 7.1
just copy it with farmanger to <ifs/setting/version>
http://www.2shared.com/file/1784793/...ll_Doctor.html

hi what does upgrading to 7.1 do? is this applicable tfor w810i? my current java version is 6.5. pls help. I'm afraid to try it might kill my phone