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
Kenji F.
Indonesia · Oct 2025
First time using an eSIM and it was painless in Japan & South Korea. Topping up was straightforward when I needed more.
Sara
GotoeSIM Support
· 10 months ago So glad to hear this, Kenji! Love that you were online the moment you landed in Japan & South Korea. — Sara
Hana W.
Italy · Oct 2025
Great value compared to roaming charges. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 10 months ago Thanks a lot, Hana! So happy the Japan & South Korea eSIM kept you connected. — Mark, eSIM TopUp Support
Noah G.
Italy · Oct 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Data lasted the whole trip with room to spare.
Yuki
GotoeSIM Support
· 10 months ago Thanks for sharing, Noah! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Yuki 💜
Aisha W.
Turkey · Oct 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Would definitely buy again.
Tom
GotoeSIM Support
· 10 months ago Thanks a lot, Aisha! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Tom, eSIM TopUp Support
Ingrid S.
Brazil · Oct 2025
Saved me a fortune on my holiday. Streaming and video calls worked without buffering. Telling my friends about this.
James
GotoeSIM Support
· 10 months ago Cheers, Ingrid! So pleased it saved you from roaming bills. – James 💜
Marco F.
Turkey · Sep 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Grace
GotoeSIM Support
· 10 months ago Thank you so much, Marco! Great to know the setup was quick and easy. Enjoy your journeys! – Grace 💜
Ingrid P.
Ireland · Sep 2025
Saved me a fortune on my holiday. Customer support answered my question quickly.
Omar
GotoeSIM Support
· 10 months ago Thanks a lot, Ingrid! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Omar, eSIM TopUp Support
Olivia B.
Philippines · Sep 2025
Saved me a fortune on my holiday. The QR code arrived instantly by email. Five stars from me.
David
GotoeSIM Support
· 10 months ago Cheers, Olivia! Wonderful to hear it worked smoothly in Japan & South Korea. — David
Thomas P.
Turkey · Sep 2025
Did the job without any drama. Signal held up well on trains and in rural areas.
Anna
GotoeSIM Support
· 10 months ago Thanks a lot, Thomas! Thrilled it made staying connected effortless. We're here whenever you travel again. – Anna 💜
Diego S.
Saudi Arabia · Sep 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. The QR code arrived instantly by email.
James
GotoeSIM Support
· 10 months ago Thanks for sharing, Diego! So pleased it saved you from roaming bills. – James, eSIM TopUp Support
Kenji T.
India · Sep 2025
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Telling my friends about this.
Sophie
GotoeSIM Support
· 10 months ago Really appreciate this, Kenji! So pleased it saved you from roaming bills. Enjoy your journeys! – Sophie, eSIM TopUp Support
Arjun S.
Canada · Sep 2025
Did the job without any drama. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 10 months ago Cheers, Arjun! Delighted the speeds worked well for you. — Mark, eSIM TopUp Support
Ava R.
United Kingdom · Sep 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Would definitely buy again.
Priya
GotoeSIM Support
· 10 months ago Cheers, Ava! Love that you were online the moment you landed in Japan & South Korea. – Priya 💜
Ji-woo M.
Poland · Sep 2025
Connected the moment I landed. Streaming and video calls worked without buffering.
Yuki
GotoeSIM Support
· 10 months ago Thank you so much, Ji-woo! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Ava R.
Brazil · Sep 2025
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas.
Emma
GotoeSIM Support
· 10 months ago Thank you for the kind words, Ava! Thrilled it made staying connected effortless. — Emma
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?