How to Upgrade to BSNL 4G/ 5G SIM Card Online: A Step-by-Step Guide

BSNL recently launched its 5G services in India, under the banner of Q-5G (short for Quantum 5G). The state-owned telecom operator is now offering subscribers a complimentary upgrade to its 4G/ 5G SIM card. They can upgrade from an existing BSNL 2G/ 3G SIM card by visiting a BSNL CSC or authorised retailer and take advantage of high-speed internet, currently available in select Indian circles.

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