ZTE MF100 modem not working

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http://forums.fedoraforum.org – Hi all, I have a Claro ZTE MF100 mobile broadband modem. Works on Windows with the installed drivers. A few months ago the exact same device and connection was working on Fedora 17. Now I have Fedora 18 installed. The modem is recognized, I get an option Mobile Broadband, I turn it on, it shows the Claro connection with its signal strength and below it another option Automobile Broadband. The Claro connection is not clickable, and when I click Automobile Broadband it does nothing. Any hints on how can I troubleshoot this? (HowTos)