To get started with Yahoo! Mail on your BlackBerry smartphone, you will need a Yahoo! Mail account, wireless access, and BlackBerry Internet Service (BIS).
Other services available for your BlackBerry smartphone: Yahoo! Messenger

Yahoo! does not charge for this service. However, carrier airtime and other usage fees and taxes may apply. Check your wireless plan for details.
*If you are unable to find the Personal Email Setup icon, please contact your wireless operator for the appropriate URL for the BlackBerry Internet Service website.