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
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
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
Ethan T.
Spain · Jul 2026
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 3 weeks ago Thank you for taking the time, Ethan. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. — Omar, GotoeSIM Support
Sofia K.
Philippines · Jun 2026
Decent speeds, though slower than I expected in a few spots.
Grace
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Sofia. 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. – Grace 💜
Aisha B.
Thailand · May 2026
Good coverage in the city, a bit patchy in remote areas. Coverage was strong even outside the city.
Omar
GotoeSIM Support
· 2 months ago Thank you for taking the time, Aisha. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. — Omar
Sri F.
UAE · Apr 2026
Install took me two tries but was fine after that.
Ken
GotoeSIM Support
· 2 months ago Thanks for the honest feedback, Sri. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. — Ken
Aisha N.
Egypt · Apr 2026
Decent speeds, though slower than I expected in a few spots. Topping up was straightforward when I needed more.
Emma
GotoeSIM Support
· 3 months ago Thank you for taking the time, Aisha. 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. – Emma, GotoeSIM Support
Grace K.
Switzerland · Mar 2026
Decent speeds, though slower than I expected in a few spots.
David
GotoeSIM Support
· 4 months ago Appreciate you sharing this, Grace. 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. – David, GotoeSIM Support
Grace M.
Mexico · Mar 2026
Worked fine but took a little while to connect at first. I kept my normal number for calls while using this for data.
Anna
GotoeSIM Support
· 4 months ago Thank you for taking the time, Grace. 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. – Anna 💜
Chloe B.
United Kingdom · Mar 2026
Install took me two tries but was fine after that.
Anna
GotoeSIM Support
· 4 months ago Appreciate you sharing this, Chloe. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Any questions, our team is at gotoesim.com/support. – Anna 💜
Nadia N.
New Zealand · Feb 2026
Worked fine but took a little while to connect at first.
Mark
GotoeSIM Support
· 5 months ago Appreciate you sharing this, Nadia. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. – Mark, GotoeSIM Support
Zoe C.
Philippines · Feb 2026
Solid overall, just wish there was a bit more data for the price.
Tom
GotoeSIM Support
· 5 months ago Appreciate you sharing this, Zoe. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. – Tom 💜
Ingrid C.
Vietnam · Feb 2026
Worked fine but took a little while to connect at first.
Emma
GotoeSIM Support
· 5 months ago Thanks for the honest feedback, Ingrid. 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. – Emma 💜
Nguyen P.
France · Feb 2026
Worked fine but took a little while to connect at first.
Sophie
GotoeSIM Support
· 5 months ago Appreciate you sharing this, Nguyen. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — Sophie
Olivia T.
UAE · Dec 2025
Good coverage in the city, a bit patchy in remote areas. Speeds were solid for maps, messaging and browsing.
James
GotoeSIM Support
· 6 months ago Thanks for the honest feedback, Olivia. 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. – James, 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