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SoftBank has started rolling out SoftBank Starlink Direct, a satellite-to-smartphone service in Japan that uses SpaceX's Starlink network when normal ground coverage is unavailable. The launch, confirmed on April 10, 2026, gives SoftBank customers a new backup option for messaging and limited data access in places where conventional mobile signals do not reach.
What happened
SoftBank said on April 2, 2026 that it would offer a direct communication service between Starlink satellites and smartphones. At that stage, the company said details such as the start date would follow soon. By April 10, Japanese media reports and carrier service pages said the service had gone live under the name SoftBank Starlink Direct.
The service is meant for use in Japan in outdoor locations where SoftBank's 4G/5G network and Wi-Fi are unavailable, provided the user has a clear view of the sky and a supported device. Available functions include text messaging, some emergency alerts, and data communication for selected apps. SoftBank has also said voice calls and emergency calls are not supported.
Impress Watch reported that SoftBank mobile subscribers and Y!mobile users on the Simple, Simple 2, and Simple 3 plans can use the service from April 10 without a separate application or extra charge. Other Y!mobile plans and LINEMO are free until the end of June 2026, with a planned JPY 1,650 monthly option from July 2026. The same report said apps such as LINE, PayPay and Yahoo! JAPAN are scheduled to become available in stages from April 13.
Why this matters
For foreigners in Japan, the main relevance is practical rather than technical. If you already use SoftBank, Y!mobile or LINEMO, the service could provide a basic fallback connection in mountain areas, on remote islands, at sea, or after a disaster disrupts ground infrastructure. That is especially useful for people who rely on text-based communication and supported apps to stay in touch.
The Japan context is important because the service is explicitly aimed at areas where terrestrial coverage has been difficult or temporarily lost. SoftBank is also joining a broader carrier shift: KDDI already launched a Starlink direct-to-cell service in April 2025, and NTT Docomo is due to start its own Starlink-based service on April 27, 2026. That means satellite backup connectivity is moving closer to a standard network feature in Japan, not just a limited trial.
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