hi ,
i have tata modem which i purchesed in 2008 and used it for 8 months after that connection was disconnected modem was not used for 7 months, i took new connection but it is showing error no.721 my connection sim is from ballia u.p. and i m residing in delhi ,if there is any change in software of modem then plz give me address so that i can update its from there or suggest what else can be done
regards
jayant
9717485070
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