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
Diego W.
Switzerland · Jul 2025
Solid overall, just wish there was a bit more data for the price.
Anna
GotoeSIM Support
· 1 year ago Thank you for taking the time, Diego. 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
Priya F.
Canada · Jul 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering.
Yuki
GotoeSIM Support
· 1 year ago Thanks a lot, Priya! Great to know the setup was quick and easy. – Yuki, eSIM TopUp Support
Hugo D.
Singapore · Jul 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hugo! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Priya
Andre L.
Egypt · Jul 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Telling my friends about this.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Andre! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Tom
Omar C.
Indonesia · Jul 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Coverage was strong even outside the city. Zero regrets.
Priya
GotoeSIM Support
· 1 year ago Cheers, Omar! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Priya 💜
Ji-woo S.
Philippines · Jul 2025
Great value compared to roaming charges. Activation was automatic when I arrived in Japan & South Korea. Telling my friends about this.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ji-woo! So happy the Japan & South Korea eSIM kept you connected. — Yuki
Sri S.
Brazil · Jul 2025
Great value compared to roaming charges. The QR code arrived instantly by email. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 1 year ago Cheers, Sri! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Emma 💜
Ravi P.
Germany · Jul 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Telling my friends about this.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Ravi! So pleased it saved you from roaming bills. — Ken, eSIM TopUp Support
Sri T.
South Korea · Jul 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Sri! Love that you were online the moment you landed in Japan & South Korea. – Ken, eSIM TopUp Support
Mei K.
Mexico · Jul 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Zero regrets.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Mei! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Ingrid
Liam R.
Netherlands · Jul 2025
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Liam! Thrilled it made staying connected effortless. – Yuki, eSIM TopUp Support
Noah S.
United Kingdom · Jul 2025
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. A must-have for international travel.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, Noah! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – Grace, eSIM TopUp Support
Nguyen N.
United Kingdom · Jul 2025
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more.
David
GotoeSIM Support
· 1 year ago Thank you so much, Nguyen! Thrilled it made staying connected effortless. We're here whenever you travel again. – David, eSIM TopUp Support
Somchai S.
Ireland · Jul 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Streaming and video calls worked without buffering.
David
GotoeSIM Support
· 1 year ago Thanks a lot, Somchai! So pleased it saved you from roaming bills. We're here whenever you travel again. — David, eSIM TopUp Support
Sri B.
Switzerland · Jul 2025
Solid overall, just wish there was a bit more data for the price. I kept my normal number for calls while using this for data.
Tom
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Sri. 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. – Tom, eSIM TopUp Support
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?