China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 5GB 30Days · 5 GB · 30 days
620 reviews
Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG U+ 5G
Traveller reviews
Mei W.
UAE · Jul 2026
First time using an eSIM and it was painless in China mainland & Japan & South Korea. Streaming and video calls worked without buffering.
Diego
GotoeSIM Support
· 3 days ago Thanks for sharing, Mei! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Diego 💜
Pablo C.
India · Jul 2026
Saved me a fortune on my holiday. Topping up was straightforward when I needed more. A must-have for international travel.
James
GotoeSIM Support
· 4 days ago Thanks a lot, Pablo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — James
Ethan G.
Indonesia · Jul 2026
Bought it the night before my flight — smooth process in China mainland & Japan & South Korea. The QR code arrived instantly by email. Zero regrets.
Diego
GotoeSIM Support
· 5 days ago So glad to hear this, Ethan! Great to know the setup was quick and easy. We're here whenever you travel again. — Diego
Diego D.
Canada · Jul 2026
Worked fine but took a little while to connect at first. The QR code arrived instantly by email.
Priya
GotoeSIM Support
· 5 days ago Appreciate you sharing this, Diego. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Any questions, our team is at gotoesim.com/support. — Priya
Lea H.
Philippines · Jul 2026
Install took me two tries but was fine after that.
Ken
GotoeSIM Support
· 6 days ago Apologies for the trouble, Lea. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Ken, GotoeSIM Support
Lea M.
Sweden · Jul 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Five stars from me.
Anna
GotoeSIM Support
· 1 week ago Really appreciate this, Lea! Delighted the speeds worked well for you. – Anna, GotoeSIM Support
Sophia R.
Spain · Jul 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Made staying connected effortless.
Ken
GotoeSIM Support
· 1 week ago Thank you for the kind words, Sophia! Great to know the setup was quick and easy. We're here whenever you travel again. – Ken 💜
Sri H.
India · Jul 2026
Super easy to set up before I flew out in China mainland & Japan & South Korea. Coverage was strong even outside the city. Would definitely buy again.
Laura
GotoeSIM Support
· 1 week ago Thank you for the kind words, Sri! So pleased it saved you from roaming bills. – Laura, GotoeSIM Support
Yuki H.
Spain · Jul 2026
Did the job without any drama in China mainland & Japan & South Korea. Customer support answered my question quickly. A must-have for international travel.
Grace
GotoeSIM Support
· 1 week ago Thank you for the kind words, Yuki! Love that you were online the moment you landed in China mainland & Japan & South Korea. We're here whenever you travel again. – Grace, GotoeSIM Support
Pablo K.
Italy · Jul 2026
Connected the moment I landed. Customer support answered my question quickly. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 1 week ago Cheers, Pablo! So happy the China mainland & Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Laura, GotoeSIM Support
Grace W.
South Korea · Jul 2026
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data.
Tom
GotoeSIM Support
· 2 weeks ago Thank you so much, Grace! So happy the China mainland & Japan & South Korea eSIM kept you connected. – Tom 💜
Anna S.
Switzerland · Jul 2026
Super easy to set up before I flew out in China mainland & Japan & South Korea. Data lasted the whole trip with room to spare.
James
GotoeSIM Support
· 2 weeks ago So glad to hear this, Anna! Love that you were online the moment you landed in China mainland & Japan & South Korea. Safe travels, and see you on your next trip! – James, GotoeSIM Support
Ananya R.
Turkey · Jul 2026
Saved me a fortune on my holiday. The QR code arrived instantly by email.
Laura
GotoeSIM Support
· 2 weeks ago Thanks for sharing, Ananya! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. – Laura 💜
Max P.
Indonesia · Jul 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Zero regrets.
Emma
GotoeSIM Support
· 2 weeks ago Thanks a lot, Max! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. – Emma, GotoeSIM Support
Liam K.
Italy · Jul 2026
Decent speeds, though slower than I expected in a few spots.
Mark
GotoeSIM Support
· 2 weeks ago Thank you for taking the time, Liam. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. — Mark, GotoeSIM Support
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 5GB 30Days plan costs $13.20 for 5 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
Sofia N. · 1 week ago
Is roaming charged extra or is it all included?
No surprise fees, Sofia! Roaming is part of the plan and never billed separately. — Mark, GotoeSIM Support
Daniel C. · 2 weeks ago
Can I use this for hotspot/tethering?
Yes Daniel, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — Grace, GotoeSIM Support
Ravi G. · 2 months ago
Does this work on an iPhone 13?
Absolutely, Ravi! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. — Priya, GotoeSIM Support
Ji-woo P. · 3 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, Ji-woo. — Anna
Noah T. · 3 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Noah, you can top up the same eSIM anytime — no need to buy a new one. – Tom, GotoeSIM Support
Fatima W. · 4 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Fatima, on 4G/5G where available. — Yuki, GotoeSIM Support
Diego D. · 4 months ago
Is 5G supported or just 4G?
5G is available where covered, Diego — you'll always get the best speed on offer. — Emma, GotoeSIM Support
Lucia P. · 6 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Lucia — it switches on when you land. – Diego 💜
Giulia S. · 7 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Giulia — not at purchase. — Priya
Liam C. · 8 months ago
Can I use it in nearby countries too?
This plan covers its listed destination, Liam — for multiple countries, check our regional plans. – Anna 💜
Andre M. · 9 months ago
Will this keep my WhatsApp active with my home number?
Yes Andre, WhatsApp keeps working with your home number — the eSIM only carries data. — Sara
Anna T. · 11 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Anna! We're always here if you need anything. — Omar, GotoeSIM Support