Japan & South Korea eSIM — reviews & details
Japan & South Korea 5GB 30Days · 5 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Fatima M.
France · Sep 2025
Exactly what I needed for travelling. The QR code arrived instantly by email. A must-have for international travel.
Ken
GotoeSIM Support
· 10 months ago So glad to hear this, Fatima! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Ken, eSIM TopUp Support
Zoe D.
Turkey · Sep 2025
Saved me a fortune on my holiday in Japan & South Korea. I kept my normal number for calls while using this for data.
Tom
GotoeSIM Support
· 10 months ago Thank you for the kind words, Zoe! Great to know the setup was quick and easy. Come back anytime! – Tom 💜
Ji-woo K.
France · Sep 2025
First time using an eSIM and it was painless in Japan & South Korea. Ran hotspot to my laptop with no issues. A must-have for international travel.
Diego
GotoeSIM Support
· 10 months ago Cheers, Ji-woo! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Diego
Linh K.
Vietnam · Sep 2025
Super easy to set up before I flew out. Customer support answered my question quickly. Great experience overall.
Yuki
GotoeSIM Support
· 10 months ago Thanks for sharing, Linh! Thrilled it made staying connected effortless. Enjoy your journeys! — Yuki, eSIM TopUp Support
Thomas T.
Poland · Sep 2025
Decent speeds, though slower than I expected in a few spots. Topping up was straightforward when I needed more.
Ken
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Thomas. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Ken, eSIM TopUp Support
Nguyen S.
Netherlands · Sep 2025
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Great experience overall.
Anna
GotoeSIM Support
· 10 months ago Really appreciate this, Nguyen! Thrilled it made staying connected effortless. Enjoy your journeys! — Anna, eSIM TopUp Support
Sophia D.
Poland · Sep 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 10 months ago Thank you for the kind words, Sophia! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Ingrid, eSIM TopUp Support
Katya K.
Netherlands · Sep 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived. Would definitely buy again.
Laura
GotoeSIM Support
· 11 months ago Thank you so much, Katya! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Laura, eSIM TopUp Support
Yuki C.
UAE · Sep 2025
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city.
Priya
GotoeSIM Support
· 11 months ago Thanks a lot, Yuki! Thrilled it made staying connected effortless. – Priya 💜
Ingrid R.
Germany · Sep 2025
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Highly recommend for any traveller.
David
GotoeSIM Support
· 11 months ago Thank you for the kind words, Ingrid! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — David, eSIM TopUp Support
Ryan R.
Thailand · Sep 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email.
Sara
GotoeSIM Support
· 11 months ago Cheers, Ryan! Delighted the speeds worked well for you. Enjoy your journeys! — Sara, eSIM TopUp Support
Mohammed G.
Saudi Arabia · Sep 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. Zero regrets.
Ingrid
GotoeSIM Support
· 11 months ago So glad to hear this, Mohammed! So pleased it saved you from roaming bills. — Ingrid, eSIM TopUp Support
Pablo G.
Turkey · Sep 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Setup instructions in the app were clear and simple. Made staying connected effortless.
Laura
GotoeSIM Support
· 11 months ago Really appreciate this, Pablo! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Laura 💜
Daniel K.
Indonesia · Sep 2025
Did the job without any drama. Activation was automatic when I arrived in Japan & South Korea.
Sara
GotoeSIM Support
· 11 months ago Cheers, Daniel! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Sara, eSIM TopUp Support
Nguyen T.
Vietnam · Sep 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Five stars from me.
Anna
GotoeSIM Support
· 11 months ago Thanks for sharing, Nguyen! So pleased it saved you from roaming bills. – Anna, eSIM TopUp Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 5GB 30Days plan costs $9.75 for 5 GB over 30 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
Emma M. · 2 months ago
Can I use this for hotspot/tethering?
Andre H. · 2 months ago
Is 5G supported or just 4G?
Elena H. · 3 months ago
Thanks, installed with no problems on my Samsung.
Arjun N. · 4 months ago
How do I check how much data I have left?
Lucia L. · 4 months ago
Will this keep my WhatsApp active with my home number?
Mohammed P. · 6 months ago
Which networks does this connect to?
Katya C. · 7 months ago
Can I use it in nearby countries too?
Liam G. · 7 months ago
Can I top up the same eSIM instead of buying a new one?
Emma C. · 7 months ago
Great guide, the setup steps were really helpful.
Katya K. · 9 months ago
How long does the QR code take to arrive after payment?
Lea N. · 1 year ago
Does the validity start on purchase or on first use?
Marco N. · 1 year ago
Do I need to install it before I travel or after I arrive?