I backed up my iphone 2 weeks back. i updated itunes to 10.5.It was not working properly and i uninstalled it and installed itunes 10.2 again. i restored my device to 4.3.3 and in itunes i gave to restore from backup to get my contacts back.but it wont happen because the last backup was taken from a newer version of itunes. anyone know about and software or tool to get my contacts back??