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TL;DR:The Watch This Ain't Ghostbusters XXX Parodybest eSIM for Ireland is Saily. Save 5% on Saily eSIM data plans with the exclusive coupon code MASHABLE10.

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The World Expo 2025 will take place in Osaka. The mega event is forecasted to attract a significant audience, with around 500 events taking place over the course of six months. With several million international visitors expected, there will be a huge number of people looking for the best way to stay connected. This is where an eSIM can help.

If you're looking for the best eSIM for Japan in 2025, we have all the information you need.

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What is an eSIM?

An eSIM is a digital product that allows users to activate a data plan without needing a physical SIM card. Users can switch service providers via software settings, meaning you don't need to swap SIM cards when attempting to avoid roaming charges.

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What is the best eSIM for Japan?

The best eSIM for Japan is Saily, a product from Nord Security.

Saily covers over 200 countries and territories, including Japan. When in Japan, you can choose between five Saily plans (1GB, 3GB, 5GB, 10GB, or 20GB) for a period of one week or 30 days. Users get 24/7 customer support, straightforward installation, and automatical activation upon arrival. And if you run out of data, users can easily top up their plan and continue using the services without interruption.

Saily's best eSIM deals for Japan are as follows:

• 1GB (1 Week) — $3.60$3.99(save 10%)

• 3GB (30 Days) — $7.20$7.99(save 5%)

• 5GB (30 Days) — $9.9$10.99(save 5%)

• 10GB (30 Days) — $16.19$17.99(save 5%)

• 20GB (30 Days) — $22.49$24.99(save 5%)

Something to note is that all plans have a 30-day activation period. If you purchase a plan and don't activate it, it will be activated automatically after 30 days.

Opens in a new window Credit: Saily Saily: eSIM for Japan 10% off with exclusive coupon code MASHABLE10

Topics Android Apps & Software iPhone

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