Japan 3GB/Day eSIM Reviews & Details — 0.0★

Coverage & networks

Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G

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Frequently asked questions

How much does the Japan eSIM cost?

The Japan 3GB/Day plan costs $3.52 for 3 GB/day over 1 days, paid once with no hidden fees.

How do I activate my Japan 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.

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.

Comments & questions

A

Arjun C. · 2 months ago

Can I use it in nearby countries too?

Omar eSIM TopUp Support

That depends on the plan — country plans work in that country only, while our regional and global plans cover multiple destinations.

M

Marco B. · 3 months ago

Great guide, the setup steps were really helpful.

James eSIM TopUp Support

Thank you, that is good to hear.

H

Haruto L. · 5 months ago

Can I top up the same eSIM instead of buying a new one?

Emma eSIM TopUp Support

Yes, if the plan supports top-up you can add data to the same eSIM rather than installing a new one.

M

Mateo V. · 7 months ago

Can I use this for hotspot/tethering?

Laura eSIM TopUp Support

Yes, hotspot and tethering are supported. It uses your plan data as normal.

H

Haruto S. · 9 months ago

Will this keep my WhatsApp active with my home number?

Sara eSIM TopUp Support

Yes. The eSIM handles data while your normal SIM stays active, so WhatsApp keeps your usual number.

Y

Yuki V. · 9 months ago

Thanks, installed with no problems on my Samsung.

Priya eSIM TopUp Support

Thanks for the feedback — happy it was straightforward.

D

Diego L. · 10 months ago

Is 5G supported or just 4G?

Mark eSIM TopUp Support

Yes, 5G where available. Coverage depends on the local operator in that country.

W

Wei P. · 11 months ago

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

Ingrid eSIM TopUp Support

Delivery is immediate. The QR is in your account the moment payment clears.

M

Mohammed D. · 1 year ago

How do I check how much data I have left?

Grace eSIM TopUp Support

It is in the app under My eSIMs, and on your account dashboard on the website.

L

Lucia R. · 1 year ago

Does this work on an iPhone 13?

Ken eSIM TopUp Support

It does. Every iPhone from the XS onwards supports eSIM, including the 13.

H

Haruto P. · 1 year ago

Which networks does this connect to?

Anna eSIM TopUp Support

The plan page lists the carriers for that destination. Selection is automatic.

D

Diego K. · 1 year ago

Is roaming charged extra or is it all included?

Sophie eSIM TopUp Support

No extra roaming fees — the price you see is the price you pay.