To Upgrade BSNL 3G SIM to 4G VoLTE Here we guide about all the complete  step-by-step  activation process of BSNL 3G SIM to 4 GSIM. Also, learn how you can get your BSNL4G SIM card and what the activation process. BSNL 3G to 4G Activation Process Step1 You should buy the 4G SIM card through your nearest BSNL customer service centre or BSNL channel partner/franchisee store in your location. Now days the new SIM may generally get for free as part of BSNL’s 4G promotional campaign if any. Otherwise you can get the new SIM cost around rupees 20.   Note:-  You can make sure that you check whether BSNL 4G VoLTE services are provided in your area by BSNL.   Step2 After receive NEW BSNL 4G card you should note with 19-digit SIM number in back side of SIM exp.1234567891234567891.   Step3 Open the messaging app on your phone and type in the message in this format 4G space SIM  space  YES  send to 53734 through your existing/old B...

BSNL ISD Tariff Packs! BSNL International Roaming Plan Welcome to the BSNL world of International Roaming pack. Here is a list with along with ranging of prices. Now you can roam all over world with this BSNL recharge and you will get ISD voice calls with the same BSNL GSM BSNL GSM Mobile Number. S.NO Country name Country Codes MoU Rate(in Rs./min) Pulse duration for plans working on MCU basis(in sec) Pulse duration for ISD PCOs(in sec) 1 AFGHANISTAN 93 18 4 2.5 2 ALASKA 1907 17 3.5 2.3 3 ALBANIA 355 40 1.5 0.9 4 ALGERIA FIXED 213 20 3 1.9 5 ALGERIA MOBILE MPTA 2136 70 1.03 0.7 6 ALGERIA MOBILE MPTA 21397 ...