Airtel India is closing 3G for 4G Network in KolkataJuly 1, 2019
Airtel India will close 3G networks in Kolkata, providing 4G cellular broadband services instead. All 3G customers are notified and asked to update their phone / SIM card to 4G.
Airtel 4G cover
This is part of Airtel’s efforts to expand 4G coverage across the country. 3G network is stopped if there is an adequate 4G network. It is assumed that cellular operators will invest exclusively in 4G technology and will not see business reasons to maintain 3G services after the introduction of 4G.
The telecom operator announced it would retain the 2G network in Calcutta to serve functional telephone.