Reliance Jio and T-Mobile Launched 5G Standalone Roaming
The two operators enabled international 5G roaming services for travelers moving between the United States and India.
Updated on Sept. 21, 2026 in Telecommunications
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Reliance Jio and T-Mobile have implemented 5G Standalone (SA) roaming between their respective networks. The integration utilizes an interoperability platform provided by Syniverse to facilitate seamless connectivity.
Why it matters
The new roaming capability aims to provide international travelers with faster data speeds, lower latency, and more reliable network connections when moving between the two countries.
Reliance Jio maintains a PAN-India 5G Standalone network, while T-Mobile has been developing its own 5G SA capabilities since 2020. The connection is supported by the Syniverse platform to ensure secure network interoperability.
The players
Reliance Jio
Reliance Jio is the only telecommunications operator in India with a PAN-India 5G Standalone presence.
T-Mobile
T-Mobile is a major wireless network operator that began its 5G Standalone development in 2020.
Syniverse
Syniverse is a technology company that provided the interoperability platform required for the roaming service.
The details
The collaboration allows customers to access 5G Standalone roaming while traveling between the United States and India. By leveraging Syniverse for interoperability, the companies have created a secure bridge that allows high-performance mobile data to function across both providers.
Timeline
T-Mobile began its 5G Standalone development in 2020.
The 5G SA roaming achievement was announced on September 21, 2026.
The Tech Race
This integration follows the broader industry transition toward 5G Standalone architectures that aim to replace legacy non-standalone systems. It signals a move toward high-performance global roaming that challenges traditional reliance on 4G LTE roaming protocols.
Travelers between the United States and India can now experience faster speeds and lower latencies when using their mobile devices abroad. This move reduces the need to rely on slower legacy networks while roaming internationally.
The takeaway
The deployment of 5G Standalone roaming marks a significant upgrade for international connectivity standards between two major global markets. Travelers can expect more consistent performance as major carriers continue to integrate their SA network infrastructures.
Further reading
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