Much of the owners of smartphone-uri BlackBerry, who have installed Yahoo! Messenger (The version dedicated to devices RIM), complain of Logic problems.
What the most frequent error is: Service not enabled for this handhand.

This error it appears idifier if IDthe and word of Yahoo! Messenger are or not correct. “Service not enabled for this handheld” is a permanent error that appears when BIS-ul not activated. BIS – BlackBerry Internet Service is the Internet service offered by RIM (BlackBerry) for all owners of devices, through your mobile operator. Activating this service for registration handheldto the wireless network (BlackBerry Wireless Network), involves some additional costs. A abonament BlackBerry concluded with your operator of mobile telephony.

If you have a subscription of Internet Mobile that will allow you to browse the web, connect to chats, ship and receive emails, is not enough To be able to connect to BlackBerry Yahoo! Messenger.
Our advice is to look for alternative chat applications, compatible on BlackBerry smartphones. A solution would be Beejive, but soon we will publish at least 5 free solutions / applications that will allow you to connect to the most popular im networks.
BlackBerry Apps Download.