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日本

Opensignal reports and analyses are the definitive guide to understanding the true experience consumers receive on mobile and broadband networks.

Opensignalのレポートと分析はワイヤレス・ネットワーク・ユーザーの真の体感を理解する為の決定的ガイドです
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Mobile Network Experience in Konohana Ward, Osaka — World's Fair

By Robert Wyrzykowski, April 2025

Opensignal looked at the mobile network experience of our users around Osaka’s Konohana ward, where the World's Fair will take place. SoftBank comes first for Download Speed Experience, 5G Availability and Consistent Quality.

Japan, April 2025, Mobile Network Experience

By Robert Wyrzykowski, April 2025

au leads the national award count in Japan, with 10 recognitions won outright and one jointly. NTT docomo secures three awards outright and one jointly. Rakuten Mobile wins two awards for upload speeds, while SoftBank takes home 5G Availability.

The mobile network experience around the Yamanote line

By Robert Wyrzykowski, March 2025

Last year, Opensignal analyzed the mobile network experience of our users around the Yamanote line — one of the busiest metro lines in the world. We are revisiting this analysis 12 months later, to see how scores changed.

Our Japanese users on the latest smartphones enjoy a superior 5G experience especially for video services

By Robert Wyrzykowski, November 2024

In this new analysis, Opensignal looks at our Japanese users’ mobile experience on the latest smartphone devices, when they are watching videos e.g. on social media sites, on-demand online TV shows, movies, or any type of pre-recorded video.