i tried upgrading my n8 fone from anna to belle but the problem is that when nokia suite asks for username and password... when i entered my username and password.. it tells that invalid credentials either the username or password is wrong ...
Welcome to the forum! Please try to restore your password from this link. If you don't get the link, or something else goes wrong, please contact your local Nokia Care line. They can help you further.
Hope you get your login to work again!