BSNL SIM/MICROMAX USB MODEM WI BSNL 3G LOGO
CONNECTION PROBLEM/ NOT REGISTERED/ NO GPRS SERVICE
I INSTALLED A MICROMAX 3G USB MODEM WITH BSNL LOGO, WITH BSNL SIM NO-8275752270, TO MY LAPTOP FOR INTERNET SERVICE. CONNECTION IS UNPREDICTABLE/ NO GPRS OR 3G SERVICE/ BALANCE ENQUIRY SHOWS NULL. I HAVE SUBMITTED ALL DOCUMENTS AND HAVE SEVERAL BSNL MOBILE SIM (NOS- 9403612547/9403612572/ LANDLINE ...