What was changed
Rakuten entered Japan's mobile market in 2019 as the fourth carrier, promising to break the NTT Docomo-KDDI-SoftBank oligopoly with cheap, app-integrated plans built on its own cloud-native network. The gamble was expensive: the mobile segment dragged the group into repeated operating losses, and Rakuten spent years funding network construction from the profits of its e-commerce and fintech ecosystem.
The turning point came in the full-year results for 2025, reported in February 2026: Rakuten Mobile registered positive EBITDA of ¥12.9 billion ($85 million), up from minus ¥53.8 billion a year earlier. The mobile segment, including the Symphony equipment unit, grew revenue 9.6% to ¥482.8 billion ($3.2 billion) and cut its operating loss by ¥47.1 billion to ¥161.8 billion, while Rakuten Symphony posted its first-ever non-GAAP operating income by shifting from low-margin hardware to software.
Rather than starving the business once it turned, management doubled down on growth: 2026 capex was raised ¥62.9 billion to ¥200 billion ($1.3 billion) to speed construction for rising subscriptions. By the second quarter of 2026 the group as a whole converted: record consolidated revenue of ¥665.5 billion (+11.6%) and its first quarterly operating profit in six years, with mobile losses narrowed further to ¥33.1 billion.
What it achieved
Rakuten Mobile EBITDA swung to +¥12.9bn in 2025 from −¥53.8bn; Q2 2026 delivered the group's first quarterly operating profit in six years on record revenue of ¥665.5bn.
Why it worked
Rakuten's e-commerce and fintech ecosystem generated the cash that let the mobile venture survive six loss-making years instead of retreating.
Curbing short-term subscriptions in favor of loyal long-term customers rebuilt the mobile business on sustainable revenue rather than subsidy-driven signups.
Rakuten Symphony's shift from hardware delivery to high-margin software cut the cost side of the network bet.
Management raised capex into the turnaround, treating positive EBITDA as the signal to accelerate network build rather than harvest.
What can be applied
A loss-making strategic bet can be carried by ecosystem profits only until it reaches self-sustaining economics; EBITDA flip marks the point to accelerate, not harvest.
Aftermath
Rakuten Mobile entered 2026 with positive EBITDA, a raised ¥200 billion construction budget and what the company called a sustainable growth structure centered on loyal customers. The group's Q2 2026 results showed all three segments — internet services, fintech and mobile — growing together, though operating income remained thin and the stock's reaction to the pace of the profit recovery stayed volatile.
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