1... wat cfw should i use for it , should i keep this 6.35 pro or change and y please
2. do i need a separate homebrew enabler along with this cfw . and if i do need wat should b it.

3. whenver i try to sign up in hacked mode for psn , it says http error 5502 , and in unhacked mode it asks for upgrading psp firmware which clearly i cant do , any suggeastions please , that would be highly appreciated