We Built Everything Ourselves End to End: Core, Hardware, Software for Jio 5G, Says Mukesh Ambani

We Built Everything Ourselves: Core, Hardware, Software for Jio, Says Mukesh Ambani
Reliance is set to become a deep-tech and advanced manufacturing company. “At Reliance, as we’ve grown, we have realized that technology changes lives. We want to create impact at scale that improves the lives of all Indians. Therefore, businesses of the future will have to be good at harnessing technologies of the future,” said Mukesh Ambani, Chairman of Reliance Industries, in an interview with Gautam Kumra, Chairman of McKinsey Asia (excluding China), published on Wednesday, June 25, 2025.

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From Technology Licensees to Technology Owners

“When we grew up, we were the users of technology, and it was clear that we had to license technology from abroad to ensure high quality. But we were subjugated to so many licenses. It was also high risk because, at the end of the day, if a plan didn’t work, you could lose your shirt. I used to push my leaders by saying, We have to be owners of technology. We must be innovators,” Ambani said, envisioning technology’s impact on Reliance over the next decade.

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Built Everything for Jio’s 5G In-House

Ambani said Reliance had built everything necessary for Jio to launch 5G in 2021, including the core, hardware, and software. Although there was support from Nokia and Ericsson, it was only to ensure that everything Reliance had built was in good form.

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“The change now for Reliance is that we are going to be a deep-tech and advanced manufacturing company. We started with telecom. In 2021, we launched 5G. We built everything ourselves, end to end—the core, the hardware, the software, every single piece. We used Ericsson and Nokia to help us on 20 percent, just to make sure that the 80 percent that we put in was good,” Ambani said, speaking about Reliance’s telecom venture, Jio.