
mysim24 is a German eSIM provider offering prepaid mobile data plans for more than 200 destinations. Customers can choose from country-specific, regional and global plans, including fixed-data and unlimited options. eSIMs are delivered digitally by QR code immediately after payment, with no physical SIM card, roaming contract or long-term commitment required. German-language customer support and secure online payment are included.
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Data plans for this provider are automatically updated. While we strive to keep the information accurate, we cannot guarantee its completeness or accuracy. Please confirm all details on the provider's official website or app before purchasing.
mysim24 does not provide a true unlimited data eSIM for Japan. All of the plans listed for Japan have a hard data cap and, after the daily or total allowance is used, the speed is throttled to a lower rate.
Travelers who need a large amount of high‑speed data can choose from fixed data plans such as the Japan Unlimited Premium plan, which offers 5 GB/day for 3 days, or the Japan Unlimited Plus plan, which offers 2 GB/day for 3 days. For even larger data needs, plans like Japan 50 GB for 30 days or Asia 100 GB for 30 days are available. These fixed data plans can be more cost‑effective for most users unless they require continuous, unlimited high‑speed data.
No, mysim24 does not offer any Japan eSIMs that provide a phone number or SMS capability. The provider’s Japan plans are data‑only; a phone number and inbound or outbound voice or SMS services are not included. Travelers who need to make voice calls or send standard SMS can still use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, although some destinations may block or restrict particular apps, so it is advisable to confirm that the services you rely on are accessible in Japan before purchasing.
mysim24 offers 67 single‑country plans and 68 multi‑country plans that include Japan. The plans range in price from about $2.86 to $129.35 and provide data caps between 1 GB and 100 GB, with validity periods from 1 to 180 days. Among the offerings, 35 plans feature a daily data cap while 100 plans have a fixed data amount, giving customers the option to choose between a set amount of data for the entire validity period or a daily allowance that resets each day.
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