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
Sarah P.
Brazil · May 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 1 year ago So glad to hear this, Sarah! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Nadia D.
United Kingdom · May 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple.
Tom
GotoeSIM Support
· 1 year ago Cheers, Nadia! So pleased it saved you from roaming bills. Come back anytime! – Tom, eSIM TopUp Support
Wei V.
South Korea · May 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Wei! Delighted the speeds worked well for you. – Ingrid, eSIM TopUp Support
Ava H.
Ireland · May 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Customer support answered my question quickly. Made staying connected effortless.
Sophie
GotoeSIM Support
· 1 year ago Thanks a lot, Ava! Delighted the speeds worked well for you. We're here whenever you travel again. – Sophie 💜
Ava D.
UAE · May 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Five stars from me.
Ken
GotoeSIM Support
· 1 year ago Thanks for sharing, Ava! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Ken 💜
Lucia B.
Spain · May 2025
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Great experience overall.
David
GotoeSIM Support
· 1 year ago So glad to hear this, Lucia! Great to know the setup was quick and easy. We're here whenever you travel again. – David 💜
Fatima K.
Egypt · May 2025
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Fatima! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Lucia S.
France · May 2025
Saved me a fortune on my holiday. Activation was automatic when I arrived.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Lucia! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Ingrid 💜
Kenji N.
France · Apr 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Would definitely buy again.
Laura
GotoeSIM Support
· 1 year ago So glad to hear this, Kenji! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Laura 💜
Noah D.
Malaysia · Apr 2025
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Five stars from me.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Noah! Wonderful to hear it worked smoothly in Japan & South Korea. — Ingrid, eSIM TopUp Support
Camila K.
United States · Apr 2025
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Camila! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Priya, eSIM TopUp Support
Sarah R.
Brazil · Apr 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Would definitely buy again.
Anna
GotoeSIM Support
· 1 year ago So glad to hear this, Sarah! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Anna
Priya V.
Singapore · Apr 2025
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Made staying connected effortless.
James
GotoeSIM Support
· 1 year ago Thank you so much, Priya! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — James, eSIM TopUp Support
Giulia B.
UAE · Apr 2025
Great value compared to roaming charges. Customer support answered my question quickly. Great experience overall.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Giulia! Love that you were online the moment you landed in Japan & South Korea. – Yuki 💜
Sofia D.
Sweden · Apr 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Great experience overall.
Mark
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sofia! So pleased it saved you from roaming bills. Come back anytime! — Mark, 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?