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
Andre C.
Turkey · Jun 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare.
David
GotoeSIM Support
· 1 year ago Cheers, Andre! Delighted the speeds worked well for you. — David
Louis H.
Netherlands · Jun 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. A must-have for international travel.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Louis! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Ingrid 💜
Nadia S.
Thailand · Jun 2025
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data.
Emma
GotoeSIM Support
· 1 year ago Thanks a lot, Nadia! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Emma
Arjun S.
Saudi Arabia · Jun 2025
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Telling my friends about this.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Arjun! Love that you were online the moment you landed in Japan & South Korea. – James 💜
Camila C.
South Korea · Jun 2025
Connected the moment I landed. Topping up was straightforward when I needed more. Great experience overall.
Sophie
GotoeSIM Support
· 1 year ago Thanks a lot, Camila! Delighted the speeds worked well for you. – Sophie 💜
Priya B.
Egypt · Jun 2025
Did the job without any drama. Data lasted the whole trip with room to spare.
Ken
GotoeSIM Support
· 1 year ago Cheers, Priya! Great to know the setup was quick and easy. We're here whenever you travel again. – Ken 💜
Noah B.
Sweden · Jun 2025
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 1 year ago Thanks for sharing, Noah! So pleased it saved you from roaming bills. Enjoy your journeys! — Laura
Sarah S.
Indonesia · Jun 2025
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas. Zero regrets.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Sarah! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Ken 💜
Andre L.
New Zealand · Jun 2025
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues. Would definitely buy again.
Ingrid
GotoeSIM Support
· 1 year ago Thanks a lot, Andre! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Ingrid 💜
Mateo R.
Spain · Jun 2025
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple.
James
GotoeSIM Support
· 1 year ago Cheers, Mateo! Delighted the speeds worked well for you. — James, eSIM TopUp Support
Priya N.
Ireland · Jun 2025
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago Cheers, Priya! Great to know the setup was quick and easy. – Priya 💜
Sri G.
United Kingdom · Jun 2025
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 1 year ago Thank you so much, Sri! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Mark 💜
Ethan S.
United States · Jun 2025
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ethan! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Diego 💜
Sarah B.
Italy · Jun 2025
Exactly what I needed for travelling. Customer support answered my question quickly. Telling my friends about this.
Laura
GotoeSIM Support
· 1 year ago Thanks for sharing, Sarah! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Laura 💜
Sophia N.
Japan · Jun 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering.
Diego
GotoeSIM Support
· 1 year ago Thanks for sharing, Sophia! Thrilled it made staying connected effortless. 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?