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
Hana M.
Australia · Jul 2025
Worked fine but took a little while to connect at first.
Yuki
GotoeSIM Support
· 1 year ago We're really sorry, Hana. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. — Yuki
Lucas V.
Philippines · Jul 2025
Install took me two tries but was fine after that.
James
GotoeSIM Support
· 1 year ago Thank you for taking the time, Lucas. 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. – James 💜
Yuki T.
Indonesia · Jul 2025
Super easy to set up before I flew out in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 1 year ago Cheers, Yuki! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Priya
Mateo V.
Brazil · Jul 2025
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more.
Ingrid
GotoeSIM Support
· 1 year ago Cheers, Mateo! Delighted the speeds worked well for you. Enjoy your journeys! — Ingrid
Max P.
Malaysia · Jul 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data. Zero regrets.
James
GotoeSIM Support
· 1 year ago Cheers, Max! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – James, eSIM TopUp Support
Lea W.
Thailand · Jul 2025
Connected the moment I landed in Japan & South Korea. I kept my normal number for calls while using this for data. Would definitely buy again.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Lea! Thrilled it made staying connected effortless. Come back anytime! — Diego
Wei M.
India · Jul 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Great experience overall.
Yuki
GotoeSIM Support
· 1 year ago Really appreciate this, Wei! Delighted the speeds worked well for you. — Yuki, eSIM TopUp Support
Katya H.
Brazil · Jul 2025
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Zero regrets.
Yuki
GotoeSIM Support
· 1 year ago Really appreciate this, Katya! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Yuki, eSIM TopUp Support
Mohammed W.
Switzerland · Jun 2025
Connected the moment I landed. Activation was automatic when I arrived. Five stars from me.
Tom
GotoeSIM Support
· 1 year ago Thank you so much, Mohammed! Thrilled it made staying connected effortless. — Tom
Fatima W.
Australia · Jun 2025
Great value compared to roaming charges. I kept my normal number for calls while using this for data. Zero regrets.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Fatima! Delighted the speeds worked well for you. Come back anytime! — James
Ava H.
India · Jun 2025
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ava! So happy the Japan & South Korea eSIM kept you connected. – David, eSIM TopUp Support
Ingrid M.
Mexico · Jun 2025
Great value compared to roaming charges in Japan & South Korea. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Ingrid! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Anna, eSIM TopUp Support
Viktor W.
New Zealand · Jun 2025
Install took me two tries but was fine after that.
Omar
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Viktor. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. — Omar
Sri C.
Malaysia · Jun 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing.
Mark
GotoeSIM Support
· 1 year ago Cheers, Sri! Delighted the speeds worked well for you. – Mark, eSIM TopUp Support
Haruto L.
Portugal · Jun 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Anna
GotoeSIM Support
· 1 year ago Cheers, Haruto! So pleased it saved you from roaming bills. Enjoy your journeys! – 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?