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
Arjun B.
Philippines · Jun 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 1 month ago Thank you so much, Arjun! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Mark 💜
Somchai K.
Turkey · Jun 2026
Good coverage in the city, a bit patchy in remote areas. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 1 month ago Thank you for taking the time, Somchai. 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. – Anna, eSIM TopUp Support
Andre L.
United Kingdom · Jun 2026
Connected the moment I landed. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Omar
GotoeSIM Support
· 1 month ago Thank you so much, Andre! Love that you were online the moment you landed in Japan & South Korea. – Omar 💜
Viktor P.
Egypt · Jun 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Tom
GotoeSIM Support
· 1 month ago So glad to hear this, Viktor! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Tom, eSIM TopUp Support
Beatriz N.
Ireland · Jun 2026
Great value compared to roaming charges in Japan & South Korea. Ran hotspot to my laptop with no issues. Five stars from me.
Diego
GotoeSIM Support
· 1 month ago Really appreciate this, Beatriz! Thrilled it made staying connected effortless. – Diego, eSIM TopUp Support
Wei P.
Saudi Arabia · Jun 2026
Connected the moment I landed. The QR code arrived instantly by email. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 1 month ago Thank you for the kind words, Wei! Great to know the setup was quick and easy. – Ken 💜
Isabella H.
Mexico · Jun 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. A must-have for international travel.
David
GotoeSIM Support
· 1 month ago Really appreciate this, Isabella! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! – David 💜
Andre S.
United Kingdom · Jun 2026
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city.
Emma
GotoeSIM Support
· 1 month ago Thank you so much, Andre! Delighted the speeds worked well for you. Enjoy your journeys! — Emma
Budi H.
Thailand · Jun 2026
Installed in minutes by scanning the QR code in Japan & South Korea. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 1 month ago Thanks a lot, Budi! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Grace 💜
Isabella H.
France · Jun 2026
Honestly better than buying a local SIM at the airport in Japan & South Korea. Signal held up well on trains and in rural areas.
Sophie
GotoeSIM Support
· 1 month ago So glad to hear this, Isabella! Wonderful to hear it worked smoothly in Japan & South Korea. — Sophie, eSIM TopUp Support
Viktor T.
Portugal · Jun 2026
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Great experience overall.
Grace
GotoeSIM Support
· 1 month ago Thank you so much, Viktor! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Grace 💜
Fatima P.
Spain · Jun 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Would definitely buy again.
Ken
GotoeSIM Support
· 1 month ago Really appreciate this, Fatima! So pleased it saved you from roaming bills. We're here whenever you travel again. — Ken
Mateo C.
South Korea · Jun 2026
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing.
Emma
GotoeSIM Support
· 1 month ago Thank you so much, Mateo! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Emma, eSIM TopUp Support
Viktor M.
New Zealand · Jun 2026
Saved me a fortune on my holiday. Customer support answered my question quickly.
Laura
GotoeSIM Support
· 1 month ago Thank you so much, Viktor! Great to know the setup was quick and easy. Come back anytime! – Laura 💜
Fatima S.
New Zealand · Jun 2026
Good coverage in the city, a bit patchy in remote areas.
Ken
GotoeSIM Support
· 1 month ago So sorry to hear this, Fatima. That's not the experience we want for Japan & South Korea. Please contact us at esimtopup.io/support and we'll sort it out. — Ken
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?