I have Siemens Dataone Broadband Modem which is not able to work for more than one month after my renewal of broad band service in modem all the four colourful bulbs are blinking at the same time & was not responding or can say on computer screen it was showing unplugged. But when BSNL serviceman came to see the modem after seeing he only told me to change the modem is it understood that a person buyies the acceseries and if after few months it got damaged it should be thrown out of home or it should be get repaired Pls help regarding the matter i will be very greatful to Siemens Thanking You Amit Saraogi 9452072105 read full review »