Dear imug-users Reliance ZTE data card is working in 10.5.here is Solution below
First connect The data card to system then open system Preferences choose network select ZTE date card User name and password is Reliance No. telephone no.#777 Modem :vendor -Generic Model :Dialup Device no driver installation is required It is working as fine just do it Ajay kaul(Radius system Pvt. Ltd , New Delhi)