Japan & South Korea eSIM — reviews & details
Japan & South Korea 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea LG U+ 5G SKTelecom 5G
Traveller reviews
Priya V.
United Kingdom · Mar 2026
Worked fine but took a little while to connect at first. Setup instructions in the app were clear and simple.
Anna
GotoeSIM Support
· 4 months ago We're really sorry, Priya. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Anna
Chloe C.
Philippines · Feb 2026
Decent speeds, though slower than I expected in a few spots.
Sara
GotoeSIM Support
· 5 months ago So sorry to hear this, Chloe. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Sara, GotoeSIM Support
Ingrid L.
Philippines · Jan 2026
Decent speeds, though slower than I expected in a few spots. Ran hotspot to my laptop with no issues.
Priya
GotoeSIM Support
· 6 months ago Apologies for the trouble, Ingrid. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. – Priya 💜
Hugo N.
UAE · Aug 2025
Good coverage in the city, a bit patchy in remote areas. Data lasted the whole trip with room to spare.
Emma
GotoeSIM Support
· 11 months ago So sorry to hear this, Hugo. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Emma, GotoeSIM Support
Marco F.
Malaysia · Jul 2025
Install took me two tries but was fine after that.
Yuki
GotoeSIM Support
· 1 year ago Apologies for the trouble, Marco. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – Yuki 💜
Giulia F.
Portugal · Jun 2025
Worked fine but took a little while to connect at first.
Diego
GotoeSIM Support
· 1 year ago Apologies for the trouble, Giulia. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Diego, GotoeSIM Support
Ingrid M.
Netherlands · Apr 2025
Install took me two tries but was fine after that.
Yuki
GotoeSIM Support
· 1 year ago So sorry to hear this, Ingrid. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Yuki 💜
Sri T.
Mexico · Mar 2025
Solid overall, just wish there was a bit more data for the price.
Omar
GotoeSIM Support
· 1 year ago Apologies for the trouble, Sri. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Omar
Haruto F.
Italy · Sep 2024
Good coverage in the city, a bit patchy in remote areas. The QR code arrived instantly by email.
Laura
GotoeSIM Support
· 1 year ago So sorry to hear this, Haruto. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Laura, GotoeSIM Support
Grace H.
Brazil · Aug 2024
Worked fine but took a little while to connect at first.
Yuki
GotoeSIM Support
· 1 year ago We're really sorry, Grace. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. – Yuki, GotoeSIM Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 3GB 30Days plan costs $6.08 for 3 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 GotoeSIM 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
Diego B. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Diego — it switches on when you land. — Sophie, GotoeSIM Support
Grace K. · 7 months ago
How long does the QR code take to arrive after payment?
It's immediate, Grace! The QR code is delivered the moment your payment goes through. – Ingrid 💜
Ava H. · 8 months ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Ava. — Grace, GotoeSIM Support
Nguyen P. · 8 months ago
Can I use it in nearby countries too?
For nearby countries, Nguyen, a regional plan may suit you better — happy to help you pick. – Omar, GotoeSIM Support
Nguyen D. · 9 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Nguyen, on 4G/5G where available. – Anna, GotoeSIM Support
Anna L. · 9 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Anna — no extra charges, it's all prepaid. — Laura
Noah V. · 9 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Noah! Add it via SIM manager and you're set. — Priya
Aisha H. · 10 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Aisha, you can top up the same eSIM anytime — no need to buy a new one. — Emma
Giulia B. · 10 months ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Giulia! The eSIM just handles data. — Sara
Somchai H. · 11 months ago
Great guide, the setup steps were really helpful.
Thanks Somchai, that means a lot! Reach out anytime. – James, GotoeSIM Support
Lea R. · 1 year ago
Is 5G supported or just 4G?
5G is available where covered, Lea — you'll always get the best speed on offer. — Mark, GotoeSIM Support
Carlos G. · 1 year ago
Does this work on an iPhone 13?
Absolutely, Carlos! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. – Ken, GotoeSIM Support