Japan & South Korea eSIM — reviews & details

Japan & South Korea 3GB 15Days · 3 GB · 15 days

View plan & buy — $4.88

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Coverage & networks

Japan KDDI/au 5G SoftBank 5G
South Korea SKTelecom 5G LG Uplus 5G

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Frequently asked questions

How much does the Japan & South Korea eSIM cost?

The Japan & South Korea 3GB 15Days plan costs $4.88 for 3 GB over 15 days, paid once with no hidden fees.

How do I activate my Japan & South Korea eSIM?

Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the eSIM TopUp app. Install on Wi-Fi before your trip; it activates when you arrive in Japan & South Korea.

Will this eSIM work on my phone?

It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.

Can I keep my regular number?

Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan & South Korea.

Comments & questions

Hugo K. · 1 month ago

Do I need to install it before I travel or after I arrive?

Linh T. · 1 month ago

Is 5G supported or just 4G?

Sophia L. · 4 months ago

Which networks does this connect to?

Sarah B. · 4 months ago

How long does the QR code take to arrive after payment?

Camila R. · 4 months ago

Is roaming charged extra or is it all included?

Pablo N. · 6 months ago

Will this keep my WhatsApp active with my home number?

Noah H. · 7 months ago

Does this work on an iPhone 13?

Nadia H. · 9 months ago

Does the validity start on purchase or on first use?

Anna W. · 10 months ago

Can I use it in nearby countries too?

Sri N. · 10 months ago

Great guide, the setup steps were really helpful.

Thomas M. · 1 year ago

How do I check how much data I have left?

Chloe W. · 1 year ago

Thanks, installed with no problems on my Samsung.