i have a strange modem problem for the past 2 weeks.
i have UT300R2U modem(500c plan) connected through USB so directly connect when i switch on(no username password).
sometimes when i switch on the modem it takes very long time to connect or doesn't connect. even if it connects after some time it shows slow speeds(bandwidth 250-350kbps) when i switch off and then switch on the modem also same problem occurs. but if i try after some time i.e after some 3-4 hrs it connects immediately and shows good speed(Bandwidth 2-4mbps).
this problem started occuring after i reconfigured the modem to suit portforwarding. i also restored the modem to default but the problem still occurs. so please help me out of this problem.