Instant activation via QR code. Stay connected in Japan.
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Japan has excellent 4G/5G coverage nationwide, powered by major carriers NTT Docomo, au (KDDI), and SoftBank. Our eSIM plans connect through these top-tier networks, delivering reliable high-speed data across Tokyo, Osaka, Kyoto, and even rural areas. According to Ookla Speedtest Global Index (2025), average download speeds in Japan reach 50-100 Mbps on 4G and up to 500 Mbps on 5G in major cities.
Full 5G coverage across 23 wards, Shibuya, Shinjuku, Akihabara. Tokyo Metro has 4G in most stations and tunnels.
Excellent 4G/5G in Namba, Umeda, Dotonbori, and Universal Studios Japan. Shinkansen to Kyoto has continuous coverage.
Strong coverage at major temples (Kinkaku-ji, Fushimi Inari) and downtown Gion. Bamboo groves have adequate signal.
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Planning to visit other countries in Asia? Check out more eSIM plans.