How Jio changed India: cheap data and 500 million users

Before September 2016, mobile data in India was expensive and slow, and many people used their phones mainly for calls and text messages. Within a few years the country had some of the cheapest mobile data in the world and one of the largest internet populations. At the centre of that change was Reliance Jio, launched by Mukesh Ambani.

The launch

Jio began commercial services on 5 September 2016. It offered:

• free voice calls to any network, permanently;
• free data for an introductory period of several months;
• a network built entirely on 4G technology.

The offer was unlike anything Indian customers had seen. Millions queued for SIM cards, and Jio signed up subscribers faster than almost any company in telecom history.

A huge investment

Reliance had spent years building the network, investing heavily in spectrum, fibre-optic cables and towers across the country. Analysts estimated the total investment at well over ₹1 lakh crore before launch.

The price war

Rival operators were forced to cut prices sharply. The result was a wave of consolidation:

• Vodafone India and Idea Cellular merged in 2018 to form Vodafone Idea;
• several smaller operators, including Aircel and Telenor India, exited or were taken over;
• by 2019 Jio had become India’s largest mobile operator.

The Indian market went from about a dozen operators to three main private companies: Jio, Bharti Airtel and Vodafone Idea, plus the state-owned BSNL.

What it meant for users

Data prices in India fell dramatically, and average data use per person rose many times over. Cheap data helped:

• video streaming and social media grow rapidly;
• digital payments such as UPI spread to small shops;
• online education and work during the Covid-19 pandemic;
• millions of people in small towns and villages come online for the first time.

500 million users

Jio’s growth continued through the next decade. At Reliance’s annual general meeting in August 2025, Mukesh Ambani announced that Jio had passed 500 million subscribers, making it one of the largest mobile operators in the world.

From 4G to 5G

Jio launched 5G services in October 2022 and expanded quickly across India. It also introduced:

• JioFiber home broadband;
• JioAirFiber, using 5G to bring home internet without cables;
• the JioPhone and JioBharat low-cost phones for people moving from basic phones.

Global partners

In 2020 Jio Platforms raised about ₹1.52 lakh crore from investors including Meta (then Facebook) and Google. Both formed partnerships with Jio — Meta through WhatsApp-based shopping and services, and Google through low-cost smartphones.

Criticism and competition

Rivals complained at the time that Jio’s pricing was predatory; regulators examined the complaints and allowed the offers to continue. Critics also warn that a market with only a few operators could reduce competition over time. Supporters argue that the price fall brought the benefits of the internet to hundreds of millions of people.

The road ahead

Jio Platforms is preparing for a stock-market listing after filing its draft prospectus with SEBI in June 2026. Reliance is also building artificial-intelligence services on top of the Jio network.

The legacy

Jio is often cited as the biggest single reason India’s internet economy took off. It reshaped an industry, changed how Indians use their phones and made Mukesh Ambani’s Reliance a technology company as well as an industrial one.