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
Noah V.
Australia · Nov 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Customer support answered my question quickly. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 8 months ago Thanks for sharing, Noah! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Sophie 💜
Arjun D.
Turkey · Nov 2025
Did the job without any drama. Activation was automatic when I arrived in Japan & South Korea. A must-have for international travel.
Mark
GotoeSIM Support
· 8 months ago So glad to hear this, Arjun! Delighted the speeds worked well for you. We're here whenever you travel again. – Mark 💜
Mateo B.
Netherlands · Nov 2025
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Sara
GotoeSIM Support
· 8 months ago Really appreciate this, Mateo! Delighted the speeds worked well for you. – Sara 💜
Aisha L.
Portugal · Nov 2025
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. A must-have for international travel.
Laura
GotoeSIM Support
· 8 months ago Thank you for the kind words, Aisha! Great to know the setup was quick and easy. Come back anytime! – Laura, eSIM TopUp Support
Wei L.
Brazil · Nov 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Anna
GotoeSIM Support
· 8 months ago Cheers, Wei! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Anna, eSIM TopUp Support
Camila R.
Portugal · Nov 2025
First time using an eSIM and it was painless in Japan & South Korea. Speeds were solid for maps, messaging and browsing.
Sophie
GotoeSIM Support
· 8 months ago Thank you for the kind words, Camila! So happy the Japan & South Korea eSIM kept you connected. — Sophie, eSIM TopUp Support
Viktor L.
Egypt · Nov 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing.
Diego
GotoeSIM Support
· 8 months ago Thanks for sharing, Viktor! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Diego
Liam B.
United Kingdom · Nov 2025
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. A must-have for international travel.
James
GotoeSIM Support
· 8 months ago Cheers, Liam! Love that you were online the moment you landed in Japan & South Korea. – James 💜
Ethan T.
France · Nov 2025
First time using an eSIM and it was painless. Activation was automatic when I arrived in Japan & South Korea. Would definitely buy again.
David
GotoeSIM Support
· 8 months ago So glad to hear this, Ethan! Wonderful to hear it worked smoothly in Japan & South Korea. – David 💜
Marco K.
Japan · Nov 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Zero regrets.
Omar
GotoeSIM Support
· 8 months ago So glad to hear this, Marco! So pleased it saved you from roaming bills. Enjoy your journeys! — Omar
Camila F.
Brazil · Nov 2025
Worked fine but took a little while to connect at first. Speeds were solid for maps, messaging and browsing.
James
GotoeSIM Support
· 8 months ago Appreciate you sharing this, Camila. 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. – James 💜
Budi T.
Ireland · Nov 2025
Connected the moment I landed. The QR code arrived instantly by email.
David
GotoeSIM Support
· 8 months ago Thank you for the kind words, Budi! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – David 💜
Noah P.
Singapore · Nov 2025
Great value compared to roaming charges. Data lasted the whole trip with room to spare. A must-have for international travel.
Laura
GotoeSIM Support
· 8 months ago So glad to hear this, Noah! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Laura 💜
Mohammed D.
Australia · Nov 2025
Super easy to set up before I flew out. I kept my normal number for calls while using this for data.
Sara
GotoeSIM Support
· 8 months ago So glad to hear this, Mohammed! Thrilled it made staying connected effortless. We're here whenever you travel again. — Sara, eSIM TopUp Support
Chloe L.
Australia · Nov 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email. Made staying connected effortless.
Grace
GotoeSIM Support
· 8 months ago So glad to hear this, Chloe! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Grace 💜
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?