What can be modified in w810?

[horton]

i think with far manger we can do any thing in our phones
1-acoustic driver
2-display driver
3-camera driver
4-flash menuuuuuu
5-media player skins
6-adding frames and funlayers to your camera
7-upgrade java version to 7.1
8-remove operator logo
9-change our font size..
10-change start up files and sounds
11- more and moreeee...

hi, i know how to use FAR to add flash menus.However I havent tried yet changing acoutic/display/camera driver/mp skins. What i wanted to know is how TO UPGRADE JAVA VERSION of W810i to 7.1. mine has 6.5. I wanted to change in order to improve navigation etc..

pls teach me how to change font size etc..

thanks very much