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No. ASIMGO does not provide an unlimited‑data eSIM plan for Japan. All Japan‑specific plans sold by ASIMGO have a fixed data allowance.
ASIMGO’s Japan plans include, for example, the eSIM Japan – 60 Days / Total 60GB, which offers 60GB of data for 60 days, and the eSIM Japan & South Korea – 60 Days / Total 60GB, which bundles 60GB for 60 days across Japan and South Korea. These fixed‑data options are the only available choices and may be more cost effective for most travelers unless a very heavy data usage is required.
ASIMGO does not provide a Japan eSIM that includes a local phone number or SMS capability. The eSIMs sold by ASIMGO for Japan are data‑only and do not support voice calls or text messages. Travelers can still use internet‑based communication services such as WhatsApp, Telegram or iMessage over the data connection.
ASIMGO offers 83 single‑country data plans and 295 multi‑country plans that include Japan. The price range is $0.40 to $136.54, and the data cap varies from 500 MB to 60 GB, with validity periods between 1 and 60 days. Options are split between fixed‑data‑cap and daily‑data‑cap types, letting users choose a set amount for the whole duration or a daily quota that resets each day. Many plans allow tethering, and speed reductions are available at 128 kbps, 256 kbps, 200 kbps or 384 kbps for select packages, giving travelers a wide range of choices for their data needs in Japan.
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