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
Louis G.
Germany · Dec 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 7 months ago Thanks a lot, Louis! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Ingrid, eSIM TopUp Support
Diego C.
Thailand · Dec 2025
Great value compared to roaming charges. Activation was automatic when I arrived. Zero regrets.
Mark
GotoeSIM Support
· 7 months ago Thanks for sharing, Diego! Thrilled it made staying connected effortless. Enjoy your journeys! — Mark
Grace H.
Singapore · Dec 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. The QR code arrived instantly by email. A must-have for international travel.
Priya
GotoeSIM Support
· 7 months ago Thank you so much, Grace! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Priya, eSIM TopUp Support
Kenji F.
Vietnam · Dec 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. A must-have for international travel.
Grace
GotoeSIM Support
· 7 months ago Really appreciate this, Kenji! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Grace 💜
Kenji P.
Turkey · Dec 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Streaming and video calls worked without buffering.
James
GotoeSIM Support
· 7 months ago Really appreciate this, Kenji! Great to know the setup was quick and easy. – James, eSIM TopUp Support
Mei D.
Thailand · Dec 2025
Exactly what I needed for travelling. Activation was automatic when I arrived. Zero regrets.
Anna
GotoeSIM Support
· 7 months ago Thank you for the kind words, Mei! Thrilled it made staying connected effortless. Enjoy your journeys! – Anna 💜
Ananya G.
New Zealand · Dec 2025
Great value compared to roaming charges. Customer support answered my question quickly. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 7 months ago Really appreciate this, Ananya! Wonderful to hear it worked smoothly in Japan & South Korea. — Sophie, eSIM TopUp Support
Giulia B.
United Kingdom · Dec 2025
Saved me a fortune on my holiday. Coverage was strong even outside the city. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 7 months ago Thank you for the kind words, Giulia! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Ingrid 💜
Carlos D.
Canada · Dec 2025
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data. Zero regrets.
Omar
GotoeSIM Support
· 7 months ago Thanks for sharing, Carlos! So happy the Japan & South Korea eSIM kept you connected. — Omar, eSIM TopUp Support
Andre F.
Australia · Dec 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Ingrid
GotoeSIM Support
· 8 months ago So glad to hear this, Andre! So pleased it saved you from roaming bills. We're here whenever you travel again. — Ingrid
Lucas B.
New Zealand · Dec 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly. A must-have for international travel.
Tom
GotoeSIM Support
· 8 months ago Cheers, Lucas! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Tom, eSIM TopUp Support
Linh H.
France · Dec 2025
First time using an eSIM and it was painless. Customer support answered my question quickly. Made staying connected effortless.
Sara
GotoeSIM Support
· 8 months ago Thanks for sharing, Linh! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Sara
Budi L.
Philippines · Dec 2025
Saved me a fortune on my holiday. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 8 months ago So glad to hear this, Budi! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Yuki
Lucia L.
Canada · Dec 2025
Great value compared to roaming charges. Activation was automatic when I arrived. Great experience overall.
Priya
GotoeSIM Support
· 8 months ago Really appreciate this, Lucia! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Priya 💜
Priya B.
Germany · Dec 2025
Saved me a fortune on my holiday. Customer support answered my question quickly.
Diego
GotoeSIM Support
· 8 months ago Thank you so much, Priya! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Diego, 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?