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
Haruto S.
Malaysia · Oct 2024
Decent speeds, though slower than I expected in a few spots. Activation was automatic when I arrived.
Priya
eSIM TopUp Support
· 1 year ago Thanks for the honest feedback, Haruto. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. — Priya, eSIM TopUp Support
Zoe W.
Indonesia · Oct 2024
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
James
eSIM TopUp Support
· 1 year ago Cheers, Zoe! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — James, eSIM TopUp Support
Max H.
Sweden · Oct 2024
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare.
Omar
eSIM TopUp Support
· 1 year ago Thanks a lot, Max! So pleased it saved you from roaming bills. Come back anytime! — Omar
Andre L.
Brazil · Oct 2024
Saved me a fortune on my holiday. Customer support answered my question quickly. Great experience overall.
James
eSIM TopUp Support
· 1 year ago Really appreciate this, Andre! Delighted the speeds worked well for you. We're here whenever you travel again. – James, eSIM TopUp Support
Lucia S.
Turkey · Oct 2024
Decent speeds, though slower than I expected in a few spots.
Emma
eSIM TopUp Support
· 1 year ago So sorry to hear this, Lucia. That's not the experience we want for Japan & South Korea. Reach our team at esimtopup.io/support so we can help right away. – Emma, eSIM TopUp Support
Diego F.
United Kingdom · Oct 2024
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Zero regrets.
Mark
eSIM TopUp Support
· 1 year ago Cheers, Diego! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Mark, eSIM TopUp Support
Ji-woo V.
Ireland · Sep 2024
Did the job without any drama. Setup instructions in the app were clear and simple.
Sara
eSIM TopUp Support
· 1 year ago So glad to hear this, Ji-woo! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! – Sara 💜
Zoe H.
India · Sep 2024
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.
Yuki
eSIM TopUp Support
· 1 year ago Cheers, Zoe! Thrilled it made staying connected effortless. Come back anytime! – Yuki 💜
Hana H.
Poland · Sep 2024
Saved me a fortune on my holiday. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Omar
eSIM TopUp Support
· 1 year ago Thank you so much, Hana! Love that you were online the moment you landed in Japan & South Korea. — Omar
Hana R.
Australia · Sep 2024
Honestly better than buying a local SIM at the airport in Japan & South Korea. Topping up was straightforward when I needed more. Telling my friends about this.
Ingrid
eSIM TopUp Support
· 1 year ago Really appreciate this, Hana! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Ingrid, eSIM TopUp Support
Viktor H.
Saudi Arabia · Sep 2024
Super easy to set up before I flew out in Japan & South Korea. Setup instructions in the app were clear and simple. Made staying connected effortless.
Yuki
eSIM TopUp Support
· 1 year ago So glad to hear this, Viktor! Delighted the speeds worked well for you. Come back anytime! — Yuki
Sri P.
India · Sep 2024
Super easy to set up before I flew out. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Ingrid
eSIM TopUp Support
· 1 year ago Thank you so much, Sri! So pleased it saved you from roaming bills. Come back anytime! – Ingrid, eSIM TopUp Support
Haruto F.
UAE · Sep 2024
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Great experience overall.
David
eSIM TopUp Support
· 1 year ago Thanks for sharing, Haruto! Thrilled it made staying connected effortless. — David, eSIM TopUp Support
Lucas L.
Mexico · Sep 2024
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data.
Anna
eSIM TopUp Support
· 1 year ago Thank you so much, Lucas! So happy the Japan & South Korea eSIM kept you connected. — Anna, eSIM TopUp Support
Emma R.
Sweden · Sep 2024
First time using an eSIM and it was painless in Japan & South Korea. Setup instructions in the app were clear and simple.
James
eSIM TopUp Support
· 1 year ago Thanks a lot, Emma! Thrilled it made staying connected effortless. We're here whenever you travel again. — James
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?