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
Ravi D.
New Zealand · Sep 2025
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Telling my friends about this.
Sara
GotoeSIM Support
· 11 months ago Thanks for sharing, Ravi! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Sara
Elena F.
Turkey · Sep 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Made staying connected effortless.
Priya
GotoeSIM Support
· 11 months ago Cheers, Elena! So pleased it saved you from roaming bills. — Priya, eSIM TopUp Support
Carlos P.
Spain · Sep 2025
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Telling my friends about this.
Ingrid
GotoeSIM Support
· 11 months ago Thank you for the kind words, Carlos! Delighted the speeds worked well for you. — Ingrid
Ji-woo P.
Mexico · Sep 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Mark
GotoeSIM Support
· 11 months ago Thank you so much, Ji-woo! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Mark
Somchai V.
Philippines · Sep 2025
Super easy to set up before I flew out. Coverage was strong even outside the city. Great experience overall.
Anna
GotoeSIM Support
· 11 months ago Cheers, Somchai! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Anna 💜
Olivia G.
United States · Sep 2025
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Exactly as described — no surprises.
David
GotoeSIM Support
· 11 months ago Cheers, Olivia! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — David
Lea K.
Poland · Sep 2025
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Made staying connected effortless.
Priya
GotoeSIM Support
· 11 months ago So glad to hear this, Lea! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Priya, eSIM TopUp Support
Hugo R.
United Kingdom · Sep 2025
Used this on my trip and it worked perfectly in Japan & South Korea. I kept my normal number for calls while using this for data. Telling my friends about this.
David
GotoeSIM Support
· 11 months ago Thanks for sharing, Hugo! Great to know the setup was quick and easy. Wishing you many more connected adventures! — David
Mohammed R.
Italy · Sep 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 11 months ago Really appreciate this, Mohammed! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Ken, eSIM TopUp Support
Wei C.
South Korea · Aug 2025
Saved me a fortune on my holiday in Japan & South Korea. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Laura
GotoeSIM Support
· 11 months ago So glad to hear this, Wei! Thrilled it made staying connected effortless. We're here whenever you travel again. — Laura, eSIM TopUp Support
Marco C.
Brazil · Aug 2025
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Telling my friends about this.
Diego
GotoeSIM Support
· 11 months ago So glad to hear this, Marco! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Diego, eSIM TopUp Support
Kenji L.
Poland · Aug 2025
Connected the moment I landed. I kept my normal number for calls while using this for data.
Tom
GotoeSIM Support
· 11 months ago Thank you so much, Kenji! So happy the Japan & South Korea eSIM kept you connected. — Tom
Anna T.
Turkey · Aug 2025
Super easy to set up before I flew out. Signal held up well on trains and in rural areas.
Sophie
GotoeSIM Support
· 11 months ago Thank you for the kind words, Anna! So happy the Japan & South Korea eSIM kept you connected. – Sophie 💜
Ingrid S.
Indonesia · Aug 2025
Exactly what I needed for travelling. Activation was automatic when I arrived. Would definitely buy again.
Ken
GotoeSIM Support
· 11 months ago Cheers, Ingrid! Great to know the setup was quick and easy. Enjoy your journeys! – Ken, eSIM TopUp Support
Mei F.
India · Aug 2025
Super easy to set up before I flew out. Customer support answered my question quickly. Telling my friends about this.
Emma
GotoeSIM Support
· 11 months ago So glad to hear this, Mei! 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?