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
Camila B.
Canada · Nov 2024
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Priya
eSIM TopUp Support
· 1 year ago Cheers, Camila! Great to know the setup was quick and easy. Enjoy your journeys! — Priya, eSIM TopUp Support
Thomas G.
Netherlands · Nov 2024
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues.
Emma
eSIM TopUp Support
· 1 year ago Thank you so much, Thomas! Wonderful to hear it worked smoothly in Japan & South Korea. – Emma 💜
Sarah B.
Australia · Nov 2024
Great value compared to roaming charges. The QR code arrived instantly by email. Telling my friends about this.
Grace
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Sarah! Love that you were online the moment you landed in Japan & South Korea. – Grace, eSIM TopUp Support
Beatriz M.
Mexico · Nov 2024
Did the job without any drama. Coverage was strong even outside the city.
Mark
eSIM TopUp Support
· 1 year ago Thanks a lot, Beatriz! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Mark
Budi P.
Germany · Nov 2024
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Topping up was straightforward when I needed more.
Grace
eSIM TopUp Support
· 1 year ago Cheers, Budi! So pleased it saved you from roaming bills. Enjoy your journeys! — Grace, eSIM TopUp Support
Zoe B.
Canada · Nov 2024
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Made staying connected effortless.
Omar
eSIM TopUp Support
· 1 year ago Thank you so much, Zoe! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Omar 💜
Louis F.
South Korea · Nov 2024
Great value compared to roaming charges. Data lasted the whole trip with room to spare. Five stars from me.
Diego
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Louis! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Diego, eSIM TopUp Support
Nadia R.
Philippines · Nov 2024
Did the job without any drama. Ran hotspot to my laptop with no issues. Five stars from me.
Diego
eSIM TopUp Support
· 1 year ago Cheers, Nadia! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Diego
Lucas H.
Australia · Nov 2024
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data.
Omar
eSIM TopUp Support
· 1 year ago Thank you for the kind words, Lucas! Great to know the setup was quick and easy. – Omar, eSIM TopUp Support
Noah R.
Switzerland · Nov 2024
Worked fine but took a little while to connect at first. The QR code arrived instantly by email.
Tom
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Noah. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Tom
Viktor G.
Thailand · Nov 2024
Did the job without any drama. The QR code arrived instantly by email.
Sophie
eSIM TopUp Support
· 1 year ago Cheers, Viktor! Great to know the setup was quick and easy. Enjoy your journeys! — Sophie
Thomas L.
Philippines · Nov 2024
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Sophie
eSIM TopUp Support
· 1 year ago Thanks a lot, Thomas! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Sophie, eSIM TopUp Support
Ava R.
France · Oct 2024
First time using an eSIM and it was painless in Japan & South Korea. I kept my normal number for calls while using this for data. Telling my friends about this.
Sophie
eSIM TopUp Support
· 1 year ago Thanks for sharing, Ava! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Sophie, eSIM TopUp Support
James H.
Netherlands · Oct 2024
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Diego
eSIM TopUp Support
· 1 year ago Cheers, James! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Diego 💜
Fatima W.
Egypt · Oct 2024
Great value compared to roaming charges. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Mark
eSIM TopUp Support
· 1 year ago Cheers, Fatima! So pleased it saved you from roaming bills. – 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?