If you have a new phone with the same phone number as your prior phone, you can activate Duo Mobile yourself on your new phone using your phone and a computer. Please see this ITS Help Desk Online FAQ for details: http://apps.denison.edu/helpdesk/faq7882. If you have a new phone number or have any difficulty, please contact the ITS Help Desk at 740-587-6395 or helpdesk@denison.edu.