Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB/Day · 1 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Mei K.
Germany · Feb 2025
Did the job without any drama in Japan & South Korea. Coverage was strong even outside the city.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Mei! Delighted the speeds worked well for you. — Mark
Min-jun V.
Germany · Feb 2025
Great value compared to roaming charges in Japan & South Korea. Coverage was strong even outside the city.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Min-jun! So happy the Japan & South Korea eSIM kept you connected. — Sophie
Hugo S.
Indonesia · Feb 2025
Did the job without any drama in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Hugo! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Sara, eSIM TopUp Support
Zoe K.
New Zealand · Feb 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Zoe! Love that you were online the moment you landed in Japan & South Korea. — Ingrid
Nadia H.
Ireland · Feb 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Nadia! Great to know the setup was quick and easy. Enjoy your journeys! — David
Kenji M.
Brazil · Feb 2025
Exactly what I needed for travelling. I kept my normal number for calls while using this for data.
Laura
GotoeSIM Support
· 1 year ago Thanks for sharing, Kenji! Thrilled it made staying connected effortless. Enjoy your journeys! — Laura
Nguyen W.
United States · Feb 2025
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
Sophie
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Nguyen. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – Sophie 💜
Elena D.
Canada · Feb 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Made staying connected effortless.
James
GotoeSIM Support
· 1 year ago Thank you for the kind words, Elena! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – James 💜
Sophia K.
Japan · Feb 2025
Great value compared to roaming charges. The QR code arrived instantly by email.
Sara
GotoeSIM Support
· 1 year ago Thanks for sharing, Sophia! Delighted the speeds worked well for you. — Sara, eSIM TopUp Support
Wei V.
New Zealand · Feb 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 1 year ago Thanks for sharing, Wei! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Laura, eSIM TopUp Support
Ryan B.
Ireland · Feb 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Telling my friends about this.
Grace
GotoeSIM Support
· 1 year ago Cheers, Ryan! Delighted the speeds worked well for you. – Grace, eSIM TopUp Support
Arjun V.
Netherlands · Feb 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues. Telling my friends about this.
Tom
GotoeSIM Support
· 1 year ago Thank you so much, Arjun! Great to know the setup was quick and easy. – Tom 💜
Pablo F.
Spain · Feb 2025
Super easy to set up before I flew out. I kept my normal number for calls while using this for data. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Pablo! Thrilled it made staying connected effortless. – Sophie, eSIM TopUp Support
Isabella V.
Vietnam · Feb 2025
Did the job without any drama. Signal held up well on trains and in rural areas.
Emma
GotoeSIM Support
· 1 year ago Thank you so much, Isabella! Delighted the speeds worked well for you. We're here whenever you travel again. – Emma, eSIM TopUp Support
Wei H.
Spain · Feb 2025
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 1 year ago Thank you so much, Wei! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Sophie, 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
Marco K. · 1 week ago
How long does the QR code take to arrive after payment?
Beatriz S. · 1 month ago
Does this work on an iPhone 13?
Budi D. · 3 months ago
Will this keep my WhatsApp active with my home number?
Lucas P. · 4 months ago
Is 5G supported or just 4G?
Grace B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Liam L. · 6 months ago
Does the validity start on purchase or on first use?
Beatriz V. · 8 months ago
Which networks does this connect to?
Haruto G. · 9 months ago
Is roaming charged extra or is it all included?
Ryan N. · 9 months ago
Can I use it in nearby countries too?
Ava B. · 10 months ago
Do I need to install it before I travel or after I arrive?
Camila P. · 11 months ago
Can I top up the same eSIM instead of buying a new one?
Sofia B. · 11 months ago
Can I use this for hotspot/tethering?