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
Mei B.
Singapore · Dec 2024
Did the job without any drama. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Sara
eSIM TopUp Support
· 1 year ago Thanks a lot, Mei! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Sara 💜
Isabella D.
United States · Dec 2024
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare.
Yuki
eSIM TopUp Support
· 1 year ago Cheers, Isabella! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! – Yuki, eSIM TopUp Support
Lucia F.
Italy · Dec 2024
Super easy to set up before I flew out. Activation was automatic when I arrived. Made staying connected effortless.
James
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Lucia! Delighted the speeds worked well for you. Come back anytime! – James 💜
Carlos H.
France · Dec 2024
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Made staying connected effortless.
David
eSIM TopUp Support
· 1 year ago Thanks for sharing, Carlos! Great to know the setup was quick and easy. We're here whenever you travel again. – David 💜
Linh P.
Canada · Dec 2024
Did the job without any drama in Japan & South Korea. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Mark
eSIM TopUp Support
· 1 year ago So glad to hear this, Linh! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Mark
Grace F.
Canada · Dec 2024
Super easy to set up before I flew out. Coverage was strong even outside the city.
Diego
eSIM TopUp Support
· 1 year ago Cheers, Grace! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Diego, eSIM TopUp Support
Beatriz N.
Sweden · Dec 2024
Exactly what I needed for travelling in Japan & South Korea. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Sara
eSIM TopUp Support
· 1 year ago Thank you so much, Beatriz! Wonderful to hear it worked smoothly in Japan & South Korea. — Sara, eSIM TopUp Support
Chloe H.
Germany · Dec 2024
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more. Telling my friends about this.
Anna
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Chloe! Delighted the speeds worked well for you. — Anna
Wei T.
Malaysia · Dec 2024
Exactly what I needed for travelling. I kept my normal number for calls while using this for data.
Sophie
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Wei! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sophie, eSIM TopUp Support
Camila M.
France · Dec 2024
Great value compared to roaming charges. Coverage was strong even outside the city.
James
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Camila! Great to know the setup was quick and easy. We're here whenever you travel again. – James, eSIM TopUp Support
Carlos V.
Switzerland · Dec 2024
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Would definitely buy again.
Emma
eSIM TopUp Support
· 1 year ago Thank you so much, Carlos! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Emma
Hana V.
United Kingdom · Dec 2024
Install took me two tries but was fine after that.
Sophie
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Hana. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. – Sophie 💜
Yuki R.
Philippines · Dec 2024
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Great experience overall.
Emma
eSIM TopUp Support
· 1 year ago So glad to hear this, Yuki! So happy the Japan & South Korea eSIM kept you connected. – Emma 💜
Sophia L.
Italy · Dec 2024
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Sara
eSIM TopUp Support
· 1 year ago Really appreciate this, Sophia! Great to know the setup was quick and easy. Come back anytime! — Sara, eSIM TopUp Support
Ingrid W.
France · Nov 2024
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more.
David
eSIM TopUp Support
· 1 year ago Thank you so much, Ingrid! Great to know the setup was quick and easy. Wishing you many more connected adventures! — David
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?