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Japan & South Korea eSIM — reviews & details

Japan & South Korea 1GB/Day · 1 GB/day · 1 days

View plan & buy — $2.03
4.5

620 reviews

5 ★ 64%
4 ★ 25%
3 ★ 8%
2 ★ 2%
1 ★ 2%

Coverage & networks

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

Traveller reviews

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Louis L.

Poland · Dec 2024

✓ Verified

Exactly what I needed for travelling. I kept my normal number for calls while using this for data. Five stars from me.

Sophie Sophie GotoeSIM Support · 1 year ago

Thanks for sharing, Louis! Great to know the setup was quick and easy. We're here whenever you travel again. – Sophie 💜

F

Fatima F.

Canada · Dec 2024

✓ Verified

Saved me a fortune on my holiday. Activation was automatic when I arrived. Highly recommend for any traveller.

Laura Laura GotoeSIM Support · 1 year ago

Thank you for the kind words, Fatima! So pleased it saved you from roaming bills. Enjoy your journeys! — Laura, eSIM TopUp Support

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Louis H.

Brazil · Dec 2024

✓ Verified

Saved me a fortune on my holiday. Topping up was straightforward when I needed more. Would definitely buy again.

Omar Omar GotoeSIM Support · 1 year ago

Really appreciate this, Louis! Wonderful to hear it worked smoothly in Japan & South Korea. – Omar, eSIM TopUp Support

D

Daniel V.

Sweden · Dec 2024

✓ Verified

Honestly better than buying a local SIM at the airport in Japan & South Korea. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.

Anna Anna GotoeSIM Support · 1 year ago

So glad to hear this, Daniel! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Anna

S

Sofia R.

Thailand · Dec 2024

✓ Verified

Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more.

Emma Emma GotoeSIM Support · 1 year ago

Really appreciate this, Sofia! Wonderful to hear it worked smoothly in Japan & South Korea. – Emma, eSIM TopUp Support

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Nguyen P.

Spain · Dec 2024

✓ Verified

Decent speeds, though slower than I expected in a few spots.

Laura Laura GotoeSIM Support · 1 year ago

Apologies for the trouble, Nguyen. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. — Laura

M

Min-jun M.

Mexico · Dec 2024

✓ Verified

Honestly better than buying a local SIM at the airport in Japan & South Korea. Topping up was straightforward when I needed more. Five stars from me.

Ken Ken GotoeSIM Support · 1 year ago

Thank you for the kind words, Min-jun! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Ken, eSIM TopUp Support

H

Hana D.

UAE · Nov 2024

✓ Verified

First time using an eSIM and it was painless. Topping up was straightforward when I needed more.

Priya Priya GotoeSIM Support · 1 year ago

So glad to hear this, Hana! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Priya

P

Pablo G.

New Zealand · Nov 2024

✓ Verified

No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. A must-have for international travel.

Yuki Yuki GotoeSIM Support · 1 year ago

Thanks a lot, Pablo! So happy the Japan & South Korea eSIM kept you connected. – Yuki, eSIM TopUp Support

F

Fatima V.

Switzerland · Nov 2024

✓ Verified

No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Made staying connected effortless.

Tom Tom GotoeSIM Support · 1 year ago

Thank you so much, Fatima! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Tom

F

Fatima L.

Poland · Nov 2024

✓ Verified

No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Customer support answered my question quickly. A must-have for international travel.

Tom Tom GotoeSIM Support · 1 year ago

Thanks for sharing, Fatima! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Tom 💜

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Haruto H.

Malaysia · Nov 2024

✓ Verified

First time using an eSIM and it was painless. Setup instructions in the app were clear and simple.

James James GotoeSIM Support · 1 year ago

Thanks for sharing, Haruto! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — James, eSIM TopUp Support

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Lucas T.

Vietnam · Nov 2024

✓ Verified

Installed in minutes by scanning the QR code. Customer support answered my question quickly. Exactly as described — no surprises.

Mark Mark GotoeSIM Support · 1 year ago

Cheers, Lucas! Great to know the setup was quick and easy. — Mark

M

Marco F.

Vietnam · Nov 2024

✓ Verified

First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Great experience overall.

Anna Anna GotoeSIM Support · 1 year ago

Really appreciate this, Marco! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Anna, eSIM TopUp Support

R

Ravi H.

Australia · Nov 2024

✓ Verified

Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Would definitely buy again.

James James GotoeSIM Support · 1 year ago

Really appreciate this, Ravi! Love that you were online the moment you landed in Japan & South Korea. — James, eSIM TopUp Support

Frequently asked questions

How much does the Japan & South Korea eSIM cost?

The Japan & South Korea 1GB/Day plan costs $2.03 for 1 GB/day over 1 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

M

Marco K. · 1 week ago

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

B

Beatriz S. · 1 month ago

Does this work on an iPhone 13?

B

Budi D. · 3 months ago

Will this keep my WhatsApp active with my home number?

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Lucas P. · 4 months ago

Is 5G supported or just 4G?

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Grace B. · 6 months ago

Thanks, installed with no problems on my Samsung.

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Liam L. · 6 months ago

Does the validity start on purchase or on first use?

B

Beatriz V. · 8 months ago

Which networks does this connect to?

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Haruto G. · 9 months ago

Is roaming charged extra or is it all included?

R

Ryan N. · 9 months ago

Can I use it in nearby countries too?

A

Ava B. · 10 months ago

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

C

Camila P. · 11 months ago

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

S

Sofia B. · 11 months ago

Can I use this for hotspot/tethering?