<ul data-eligibleForWebStory="false"><li>BSNL is offering a free upgrade to 5G internet connectivity for existing 2G or 3G users at zero cost through its CSC or authorised retailers.</li><li>Users can also avail doorstep delivery of 5G SIM cards and follow a step-by-step guide to upgrade to BSNL 4G or 5G services.</li><li>To upgrade to a BSNL 4G/5G SIM card, users need to visit the nearest BSNL CSC or authorised retailer with necessary documents, request an upgrade, complete KYC, and receive the new SIM card.</li><li>To get a BSNL 5G SIM card delivered to your doorstep, users can visit the BSNL portal for 5G, fill in e-KYC details, choose connection type, verify mobile number, and receive the SIM card at home.</li></ul>

Want BSNL 5G on your phone? Here’s how to upgrade your 3G SIM for free

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