Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB/Day · 10 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Budi H.
Canada · Aug 2026
Good coverage in the city, a bit patchy in remote areas.
David
GotoeSIM Support
· 6 days ago We're really sorry, Budi. That's not the experience we want for Japan & South Korea. Reach our team at esimtopup.io/support so we can help right away. – David, eSIM TopUp Support
Lucas S.
Spain · May 2026
Worked fine but took a little while to connect at first. Data lasted the whole trip with room to spare.
Laura
GotoeSIM Support
· 2 months ago Apologies for the trouble, Lucas. That's not the experience we want for Japan & South Korea. Reach our team at esimtopup.io/support so we can help right away. — Laura, eSIM TopUp Support
Anna K.
Thailand · Apr 2026
Decent speeds, though slower than I expected in a few spots. Data lasted the whole trip with room to spare.
Omar
GotoeSIM Support
· 3 months ago So sorry to hear this, Anna. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. — Omar, eSIM TopUp Support
Louis C.
UAE · Jan 2026
Decent speeds, though slower than I expected in a few spots.
Diego
GotoeSIM Support
· 7 months ago Apologies for the trouble, Louis. We'd love the chance to make this right. Reach our team at esimtopup.io/support so we can help right away. — Diego, eSIM TopUp Support
Linh D.
Egypt · Dec 2025
Good coverage in the city, a bit patchy in remote areas.
Priya
GotoeSIM Support
· 8 months ago Apologies for the trouble, Linh. That's not the experience we want for Japan & South Korea. Please contact us at esimtopup.io/support and we'll sort it out. — Priya, eSIM TopUp Support
Sarah K.
Ireland · Apr 2025
Worked fine but took a little while to connect at first.
Emma
GotoeSIM Support
· 1 year ago Apologies for the trouble, Sarah. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. – Emma, eSIM TopUp Support
Ethan N.
United Kingdom · Feb 2025
Worked fine but took a little while to connect at first.
Tom
GotoeSIM Support
· 1 year ago So sorry to hear this, Ethan. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. — Tom, eSIM TopUp Support
Noah K.
Italy · Feb 2025
Install took me two tries but was fine after that.
Emma
GotoeSIM Support
· 1 year ago So sorry to hear this, Noah. We'd love the chance to make this right. Please contact us at esimtopup.io/support and we'll sort it out. — Emma
Viktor L.
Australia · Jan 2025
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 1 year ago So sorry to hear this, Viktor. We'd love the chance to make this right. Reach our team at esimtopup.io/support so we can help right away. – Omar 💜
Chloe M.
New Zealand · Jan 2025
Worked fine but took a little while to connect at first.
Ken
GotoeSIM Support
· 1 year ago We're really sorry, Chloe. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. – Ken, eSIM TopUp Support
Hana B.
Switzerland · Oct 2024
Solid overall, just wish there was a bit more data for the price. Streaming and video calls worked without buffering.
James
GotoeSIM Support
· 1 year ago Apologies for the trouble, Hana. That's not the experience we want for Japan & South Korea. Reach our team at esimtopup.io/support so we can help right away. – James, eSIM TopUp Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB/Day plan costs $14.18 for 10 GB/day over 1 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
Sven N. · 3 weeks ago
Which networks does this connect to?
Ryan W. · 2 months ago
Does the validity start on purchase or on first use?
Fatima G. · 3 months ago
Can I use this for hotspot/tethering?
James C. · 4 months ago
Do I need to install it before I travel or after I arrive?
Ji-woo H. · 6 months ago
Is 5G supported or just 4G?
Sven S. · 6 months ago
How long does the QR code take to arrive after payment?
Zoe G. · 7 months ago
Is roaming charged extra or is it all included?
Lea F. · 7 months ago
How do I check how much data I have left?
Omar P. · 9 months ago
Can I use it in nearby countries too?
Thomas M. · 10 months ago
Does this work on an iPhone 13?
Pablo B. · 1 year ago
Great guide, the setup steps were really helpful.
Mohammed N. · 1 year ago
Thanks, installed with no problems on my Samsung.