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
Sri P.
United Kingdom · Dec 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Priya
GotoeSIM Support
· 8 months ago Thanks a lot, Sri! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – Priya 💜
Daniel B.
Thailand · Dec 2025
Connected the moment I landed. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 8 months ago Thank you so much, Daniel! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Sara, eSIM TopUp Support
Camila V.
Thailand · Dec 2025
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. Great experience overall.
Grace
GotoeSIM Support
· 8 months ago Thanks a lot, Camila! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Grace 💜
Nguyen P.
France · Dec 2025
Saved me a fortune on my holiday. The QR code arrived instantly by email. A must-have for international travel.
Grace
GotoeSIM Support
· 8 months ago Thanks a lot, Nguyen! So pleased it saved you from roaming bills. — Grace
Elena C.
India · Dec 2025
Great value compared to roaming charges. Customer support answered my question quickly. Great experience overall.
Sara
GotoeSIM Support
· 8 months ago So glad to hear this, Elena! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Sara, eSIM TopUp Support
Sophia G.
Australia · Dec 2025
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 8 months ago Thanks for sharing, Sophia! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Emma, eSIM TopUp Support
Ananya G.
Vietnam · Nov 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Would definitely buy again.
Omar
GotoeSIM Support
· 8 months ago So glad to hear this, Ananya! So pleased it saved you from roaming bills. — Omar, eSIM TopUp Support
Camila G.
Mexico · Nov 2025
Exactly what I needed for travelling. I kept my normal number for calls while using this for data.
David
GotoeSIM Support
· 8 months ago So glad to hear this, Camila! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — David
Daniel G.
Sweden · Nov 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 8 months ago Thank you for the kind words, Daniel! Delighted the speeds worked well for you. — Diego, eSIM TopUp Support
Daniel R.
Malaysia · Nov 2025
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare.
Grace
GotoeSIM Support
· 8 months ago Thanks for sharing, Daniel! Thrilled it made staying connected effortless. We're here whenever you travel again. — Grace, eSIM TopUp Support
Ananya S.
Spain · Nov 2025
Super easy to set up before I flew out. Coverage was strong even outside the city. Made staying connected effortless.
Anna
GotoeSIM Support
· 8 months ago Thanks for sharing, Ananya! So pleased it saved you from roaming bills. – Anna, eSIM TopUp Support
Max T.
Netherlands · Nov 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
James
GotoeSIM Support
· 8 months ago Thanks a lot, Max! Thrilled it made staying connected effortless. — James
Sarah M.
Poland · Nov 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Telling my friends about this.
Laura
GotoeSIM Support
· 8 months ago Thanks a lot, Sarah! Thrilled it made staying connected effortless. – Laura, eSIM TopUp Support
Ryan C.
Switzerland · Nov 2025
Connected the moment I landed. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Yuki
GotoeSIM Support
· 8 months ago Cheers, Ryan! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Yuki 💜
Noah C.
Indonesia · Nov 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Ingrid
GotoeSIM Support
· 8 months ago Thanks a lot, Noah! So pleased it saved you from roaming bills. Enjoy your journeys! — Ingrid, 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?