My wife had to delete the Facebook app from iPhone, when she attempted to reload iTunes asked for her old account login information which she has changed and can't remember. Does anyone know how to work around this?
Try Items # 3 and # 4 here > http://support.apple.com/kb/HT5622?viewlocale=en_US
If necessary... Contact iTunes Customer Service and request assistance
Use this Link > Apple Support iTunes Store Contact
Retrieving data ...