Which Tier-1 networks does CoreESIM utilize in India?

CoreESIM is strategically designed to operate on India’s premier Tier-1 mobile networks, ensuring robust 4G/5G data performance. Our service primarily connects to industry leaders such as Reliance Jio and Airtel. These carriers are widely acknowledged for their extensive network coverage, especially in urban and major tourist areas, and for providing some of the fastest mobile data speeds in the country. By leveraging these top-tier providers, CoreESIM guarantees reliable and high-speed internet access across India, supporting all your communication and navigation requirements.