BSNL SIM Replacement for 4G Nano SIM or Micro SIM

Here is the new process for BSNL SIM replacement to get 4G Micro or Nano SIM at customer service center or through any retailer, What is the prescribed application for replacement and Can we get BSNL 4G replacement SIM with Nano in online, What are the charges for Nano SIM for prepaid 4G…

At present every new mobile (smartphone) designed with Nano SIM slot only, so it is mandatory to get a new replace SIM for BSNL Mobile users with latest 4G technology based SIM card.

For that Bharat Sanchar Nigam Limited exclusively launched 3 in 1 unpaired 4G SIM card with availability of Normal, Micro and Nano Slots at basic cost for BSNL new and duplicate SIM.

Where we get BSNL 4G Nano replacement SIM?

You may get the replacement at any BSNL customer service center or from Franchisee / Retailer, but there a limitation at present as follows

  • BSNL CSC : Will provide duplicate SIM for all mobile customers.
  • Franchisee / Retailer : Provides only for Aadhaar KYC completed customers.
  1. Is there any separate procedure to get BSNL SIM replacement for different cases?

    The procedure may standard for all the cases like Theft (Lost), Broken and duplicate of Micro to Nano, Authorized customer may just submit Proof of Address and Proof of Identity to get your duplicate BSNL SIM card with the same number.

  2. Whether the SIM replacement procedure of BSNL is coomon for prepaid and postpaid mobile services?

    Yes, the predefine process standard for all BSNL Prepaid and Postpaid mobile service customers to get unpaired duplicate SIM.

  3. What is the process to Replacement SIM at BSNL CSC?

    Bring Valid Proof of Identity & Proof of Address to customer service center of BSNL and submit the same to the concerned executive along with a written request for issue of duplicate SIM card.

  4. How to get 4G replacement at BSNL Franchisee / Retailer?

    Just approach any nearest retailer / franchise store and ask them to upgrade with new 4G replacement SIM for your mobile number, then they will process the request through Sanchar Aadhaar Login with necessary OTP entries.

  5. Can we get the replacement SIM at anywhere in India?

    At present, only home circle will provide you the replacement SIM with 3G or 4G services, Other than home circle don’t have authorisation for activation of the unpaired SIM card.

  6. How to convert BSNL 3G SIM to 4G in Online?

    At present, the SIM cards replaced manually and existing 3G SIM cards does not support 4G services, So, it is mandatory to get a new 4G unpaired SIM card for the same number with replacement process, and the same is not available in online at present.

  7. Can we convert 2G to 4G directly or 2G to 3G then 4G?

    All the 2G SIM cards already migrated to 3G data services already and the existing customer who have old 2G SIM card may directly replace with new 4G SIM card.

  8. What is the cost of SIM card and will the price for BSNL 4G replacement is same in all India?

    Yes, the replacement SIM cost Rs.50 is same for all India in all the circles. CTOPUP SIM for BSNL franchisees / retailers will provide at free of cost for new and replacement.

  9. Is there any BSNL SIM replacement App?

    Yes, it’s available as Sanchar Aadhaar, but applicable only for Retailer / Franchisee to provide the new and replacement SIM cards.

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37 thoughts on “BSNL SIM Replacement for 4G Nano SIM or Micro SIM”

  1. I have a old BSNL SIM, I want to replace new micro sim card my New mobile sim not fit so how can I change my sim card, please any suggest.


  3. I am now at Chennai. I got the bsnl 3G sim while I was in Kerala (kalady). Now how to buy a nano sim without going to Kerala. Please help.

  4. Do I have to deposit my old SIM card against the replacement to the BSNL CSC/Franchisee ? Is there any TRAI guideleines regarding this ?

  5. When I changed my sim to 4G sim, after its activation, SMS service is not working, Can anyone tell why it is not working in the new SIM?

  6. Today I have changed my old sim to micro 4 G sim at Kumbakonam, they have collected Rs.100 for replacement whereas in your schedule it is 50 rupees, However, the person at the counter says for existing mobile the sim is 100 rupees
    Is it correct

  7. Sir, I am in Araklonam, Ranipet district in Tamil Nadu where there is no 4G service, Then what is the use in changing the Sim. Even the 3G signal is in a bad position as we are not able to use it whenever we need it most. We feel sorry for having prepaid one-year subscription now, Please try to provide sufficient signal strength in Arakkonam, Tamil Nadu.

  8. I have changed my 3G bsnl sim to nano 4 g sim to my ne mobile one week before, The problem am not receiving OTP for my transaction, Please help in this regard.

  9. I replaced my normal SIM with a Nano SIM on 18 Aug 2020 morning for my BSNL prepaid number. I was informed that the new SIM will be activated by evening but it has not been activated yet.
    I am unable to make any calls with my old normal SIM as I am getting a message “Not registered on network”. Also, I am getting the message “The phone is switched off” while trying to call this number.
    How much does it normally take for Nano SIM to get activated?

  10. I have a old BSNL SIM, I want to replace new micro sim because my old mobile is dead now, In my New mobile sim not fit so how can I change my sim card, please suggest.

  11. My father needs to have his normal SIM replaced with a nano SIM. He is a senior citizen and lives alone in Bhubaneswar, Due to COVID, he cannot go out now. Can someone collect the nano SIM on his behalf? What documents will that person need to carry?

    • Hi,
      The same issue even I am facing, My parents are senior citizens living in Bhubaneswar. Any pointers on how to get a sim replacement.

      • I went with the aadhar copy of my father and myself to the BSNL office and got a replacement SIM from the office for my father, You can try the same.

  12. My parents at kolkata, not able to go outside due to covid, and we are outside Kolkata, Is there anyway they can get their SIM replaced without going out?

    • Sir,
      My parents are senior citizens living in Nagpur and using Madhya Pradesh circle SIM , how can my father get SIM replacement without visiting personally in bhopal during this carona crisis.
      Kindly do needful.

      Thanks &regards

  13. My old BSNL SIM 2G notable networks change my sim nano 4G north west delhi
    Arjun shah

    • I want to change my mother’s bsnl 2G sim into a nano 4g sim, She is senior citizen living alone in Kolkata, How to do it?

  14. On 6 Feb. 2020, I converted my old normal SIM to nano SIM, but I can’t able to make or receive call.kindly do the needful


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