China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 20GB 30Days · 20 GB · 30 days
620 reviews
Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Ingrid V.
Thailand · Apr 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Would definitely buy again.
Yuki
GotoeSIM Support
· 3 months ago Thanks for sharing, Ingrid! Great to know the setup was quick and easy. Enjoy your journeys! — Yuki, GotoeSIM Support
Elena C.
France · Apr 2026
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Made staying connected effortless.
Anna
GotoeSIM Support
· 3 months ago Thanks for sharing, Elena! Great to know the setup was quick and easy. We're here whenever you travel again. — Anna
Louis H.
Brazil · Apr 2026
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Will use GotoeSIM for my next trip for sure.
Priya
GotoeSIM Support
· 3 months ago Thanks for sharing, Louis! So happy the China mainland & Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Priya, GotoeSIM Support
Diego V.
Australia · Apr 2026
Super easy to set up before I flew out. Customer support answered my question quickly. A must-have for international travel.
Mark
GotoeSIM Support
· 3 months ago Thank you for the kind words, Diego! Thrilled it made staying connected effortless. — Mark
Arjun V.
United Kingdom · Apr 2026
Install took me two tries but was fine after that. Data lasted the whole trip with room to spare.
Ingrid
GotoeSIM Support
· 3 months ago Thank you for taking the time, Arjun. Glad it mostly worked for you in China mainland & Japan & South Korea — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. — Ingrid
Ravi L.
UAE · Apr 2026
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple. Telling my friends about this.
Ingrid
GotoeSIM Support
· 3 months ago Thank you so much, Ravi! So happy the China mainland & Japan & South Korea eSIM kept you connected. — Ingrid
Somchai S.
Japan · Mar 2026
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. A must-have for international travel.
Ingrid
GotoeSIM Support
· 3 months ago Thank you so much, Somchai! So pleased it saved you from roaming bills. Come back anytime! — Ingrid, GotoeSIM Support
Zoe G.
Ireland · Mar 2026
Great value compared to roaming charges in China mainland & Japan & South Korea. The QR code arrived instantly by email. Will use GotoeSIM for my next trip for sure.
Mark
GotoeSIM Support
· 3 months ago Thanks for sharing, Zoe! Love that you were online the moment you landed in China mainland & Japan & South Korea. Enjoy your journeys! — Mark, GotoeSIM Support
Katya H.
Mexico · Mar 2026
Worked fine but took a little while to connect at first. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 3 months ago Apologies for the trouble, Katya. That's not the experience we want for China mainland & Japan & South Korea. Please contact us at gotoesim.com/support and we'll sort it out. – Omar 💜
Viktor M.
Brazil · Mar 2026
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city.
Laura
GotoeSIM Support
· 4 months ago Thanks a lot, Viktor! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. – Laura, GotoeSIM Support
Mei V.
United States · Mar 2026
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Five stars from me.
Tom
GotoeSIM Support
· 4 months ago Thanks for sharing, Mei! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Tom
Lea S.
Turkey · Mar 2026
First time using an eSIM and it was painless. The QR code arrived instantly by email.
Anna
GotoeSIM Support
· 4 months ago Thanks for sharing, Lea! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Come back anytime! – Anna 💜
Louis S.
Netherlands · Mar 2026
Worked fine but took a little while to connect at first. Speeds were solid for maps, messaging and browsing.
Grace
GotoeSIM Support
· 4 months ago Thank you for taking the time, Louis. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. — Grace, GotoeSIM Support
Ji-woo S.
Indonesia · Mar 2026
Worked fine but took a little while to connect at first. Speeds were solid for maps, messaging and browsing.
Diego
GotoeSIM Support
· 4 months ago So sorry to hear this, Ji-woo. That's not the experience we want for China mainland & Japan & South Korea. Reach our team at gotoesim.com/support so we can help right away. – Diego 💜
Giulia L.
Thailand · Mar 2026
Connected the moment I landed. Ran hotspot to my laptop with no issues.
James
GotoeSIM Support
· 4 months ago Thanks a lot, Giulia! Delighted the speeds worked well for you. We're here whenever you travel again. – James 💜
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 20GB 30Days plan costs $37.50 for 20 GB over 30 days, paid once with no hidden fees.
How do I activate my China mainland & 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 China mainland & 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 China mainland & Japan & South Korea.
Comments & questions
Lucia T. · 2 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Lucia — no extra charges, it's all prepaid. – Emma, GotoeSIM Support
Pablo H. · 3 months ago
Does this work on an iPhone 13?
Absolutely, Pablo! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. – Laura, GotoeSIM Support
Aisha V. · 3 months ago
Is 5G supported or just 4G?
5G is available where covered, Aisha — you'll always get the best speed on offer. – James 💜
Lea H. · 5 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Lea, then it activates automatically on arrival. — Anna, GotoeSIM Support
Liam G. · 5 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Liam, you can top up the same eSIM anytime — no need to buy a new one. – Sara, GotoeSIM Support
Haruto W. · 6 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, Haruto. – Sophie, GotoeSIM Support
Omar L. · 7 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Omar, so buying early is totally fine. – Emma, GotoeSIM Support
Sven M. · 8 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Sven! Feel free to hotspot to your other devices. — James
Andre R. · 8 months ago
Great guide, the setup steps were really helpful.
Thanks Andre, that means a lot! Reach out anytime. — Priya
Daniel M. · 10 months ago
Can I use it in nearby countries too?
This plan covers its listed destination, Daniel — for multiple countries, check our regional plans. – Laura, GotoeSIM Support
Wei L. · 10 months ago
Thanks, installed with no problems on my Samsung.
Yes Wei, recent Samsung Galaxy models support eSIM — add it under Settings › Connections › SIM manager. — Anna
Mohammed V. · 1 year ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Mohammed — within seconds of payment, by email and in your account. – Sophie 💜