You can't. The manufacturer wouldn't have written a 4.0 upgrade for a 2.3 phone. (There's not enough in the phone to run 4.0.) And I doubt that anyone would have written a 4.0 ROM for it either, for the same reason.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.