Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB 30days · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Louis T.
Italy · Mar 2025
Great value compared to roaming charges. Setup instructions in the app were clear and simple.
Ken
GotoeSIM Support
· 1 year ago Thank you for the kind words, Louis! Love that you were online the moment you landed in Japan & South Korea. — Ken, eSIM TopUp Support
James R.
Spain · Mar 2025
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
Mark
GotoeSIM Support
· 1 year ago Appreciate you sharing this, James. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. — Mark
Isabella H.
Saudi Arabia · Mar 2025
Decent speeds, though slower than I expected in a few spots. Ran hotspot to my laptop with no issues.
James
GotoeSIM Support
· 1 year ago Thank you for taking the time, Isabella. 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. – James 💜
Camila P.
Malaysia · Mar 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 1 year ago Thank you so much, Camila! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Sophie
Ryan M.
Australia · Mar 2025
Connected the moment I landed. Activation was automatic when I arrived. A must-have for international travel.
Ken
GotoeSIM Support
· 1 year ago So glad to hear this, Ryan! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Ken, eSIM TopUp Support
Mohammed L.
Turkey · Mar 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 1 year ago Cheers, Mohammed! Delighted the speeds worked well for you. We're here whenever you travel again. – Tom, eSIM TopUp Support
Lucas P.
New Zealand · Mar 2025
Super easy to set up before I flew out. The QR code arrived instantly by email.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, Lucas! Great to know the setup was quick and easy. – Grace, eSIM TopUp Support
Louis W.
Sweden · Mar 2025
Install took me two tries but was fine after that.
Sara
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Louis. 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. — Sara, eSIM TopUp Support
Budi W.
Mexico · Mar 2025
Did the job without any drama. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Budi! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sara, eSIM TopUp Support
Viktor L.
Italy · Mar 2025
Did the job without any drama in Japan & South Korea. Streaming and video calls worked without buffering.
Anna
GotoeSIM Support
· 1 year ago Thank you so much, Viktor! Thrilled it made staying connected effortless. – Anna, eSIM TopUp Support
Elena B.
Portugal · Mar 2025
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing.
Anna
GotoeSIM Support
· 1 year ago Cheers, Elena! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Anna, eSIM TopUp Support
Emma V.
Mexico · Mar 2025
Did the job without any drama in Japan & South Korea. Signal held up well on trains and in rural areas. Would definitely buy again.
David
GotoeSIM Support
· 1 year ago Really appreciate this, Emma! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — David
Ingrid H.
Netherlands · Feb 2025
Exactly what I needed for travelling. Coverage was strong even outside the city. Telling my friends about this.
Emma
GotoeSIM Support
· 1 year ago Thank you so much, Ingrid! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Emma, eSIM TopUp Support
Sophia H.
Brazil · Feb 2025
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. A must-have for international travel.
Tom
GotoeSIM Support
· 1 year ago Thank you so much, Sophia! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Tom, eSIM TopUp Support
Thomas M.
Australia · Feb 2025
First time using an eSIM and it was painless. Coverage was strong even outside the city. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 1 year ago Cheers, Thomas! Love that you were online the moment you landed in Japan & South Korea. – Omar 💜
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB 30days plan costs $19.20 for 10 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
Lea T. · 4 weeks ago
Can I top up the same eSIM instead of buying a new one?
Mohammed H. · 1 month ago
How long does the QR code take to arrive after payment?
Ji-woo R. · 3 months ago
Is roaming charged extra or is it all included?
Budi C. · 3 months ago
Can I use this for hotspot/tethering?
Arjun S. · 4 months ago
Does the validity start on purchase or on first use?
Sven R. · 5 months ago
Which networks does this connect to?
Sarah D. · 7 months ago
Can I use it in nearby countries too?
Mei B. · 7 months ago
Thanks, installed with no problems on my Samsung.
Wei T. · 7 months ago
Is 5G supported or just 4G?
Wei D. · 9 months ago
How do I check how much data I have left?
Isabella H. · 9 months ago
Great guide, the setup steps were really helpful.
Fatima K. · 1 year ago
Does this work on an iPhone 13?