China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 3GB 15Days · 3 GB · 15 days
163 reviews
Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Liam B.
UAE · Jul 2026
Good coverage in the city, a bit patchy in remote areas.
Sophie
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Liam. 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. — Sophie, GotoeSIM Support
Mei B.
Netherlands · Jul 2026
Good coverage in the city, a bit patchy in remote areas. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Mei. Glad it mostly worked for you in China mainland & Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. — Grace
Elena B.
Spain · Jun 2026
Good coverage in the city, a bit patchy in remote areas.
Priya
GotoeSIM Support
· 2 months ago Appreciate you sharing this, Elena. 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. – Priya 💜
Thomas P.
Poland · Jun 2026
Install took me two tries but was fine after that.
Mark
GotoeSIM Support
· 3 months ago Appreciate you sharing this, Thomas. 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
Lucia D.
Turkey · May 2026
Good coverage in the city, a bit patchy in remote areas. Coverage was strong even outside the city.
Ingrid
GotoeSIM Support
· 4 months ago Appreciate you sharing this, Lucia. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. — Ingrid
Lucia C.
Canada · Apr 2026
Solid overall, just wish there was a bit more data for the price.
Sophie
GotoeSIM Support
· 4 months ago Thank you for taking the time, Lucia. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Any questions, our team is at gotoesim.com/support. — Sophie, GotoeSIM Support
Hana V.
Spain · Apr 2026
Good coverage in the city, a bit patchy in remote areas. Activation was automatic when I arrived.
Mark
GotoeSIM Support
· 4 months ago Thanks for the honest feedback, Hana. Glad it mostly worked for you in China mainland & Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. – Mark, GotoeSIM Support
Mei R.
Spain · Feb 2026
Solid overall, just wish there was a bit more data for the price.
Diego
GotoeSIM Support
· 6 months ago Appreciate you sharing this, Mei. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Any questions, our team is at gotoesim.com/support. – Diego 💜
Aisha L.
Singapore · Feb 2026
Decent speeds, though slower than I expected in a few spots. Signal held up well on trains and in rural areas.
James
GotoeSIM Support
· 6 months ago Thanks for the honest feedback, Aisha. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Any questions, our team is at gotoesim.com/support. — James
Omar N.
Italy · Feb 2026
Decent speeds, though slower than I expected in a few spots. Customer support answered my question quickly.
Ken
GotoeSIM Support
· 7 months ago Thanks for the honest feedback, Omar. 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 💜
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 3GB 15Days plan costs $9.12 for 3 GB over 15 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
Camila B. · 3 months ago
Will this keep my WhatsApp active with my home number?
Yes Camila, WhatsApp keeps working with your home number — the eSIM only carries data. — David
Sophia K. · 4 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Sophia — within seconds of payment, by email and in your account. — Ken, GotoeSIM Support
Hugo P. · 5 months ago
Can I use this for hotspot/tethering?
Yes Hugo, hotspot/tethering works fine — share your data to a laptop or tablet anytime. – David 💜
Andre G. · 5 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, Andre. — Emma
Lucas V. · 5 months ago
Is roaming charged extra or is it all included?
No surprise fees, Lucas! Roaming is part of the plan and never billed separately. — Laura, GotoeSIM Support
Haruto V. · 6 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Haruto, then it activates automatically on arrival. — Ingrid
Hana K. · 7 months ago
Is 5G supported or just 4G?
5G is available where covered, Hana — you'll always get the best speed on offer. — Ken, GotoeSIM Support
Yuki F. · 8 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Yuki! Add it via SIM manager and you're set. – Laura, GotoeSIM Support
Ravi C. · 9 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Ravi, you can top up the same eSIM anytime — no need to buy a new one. – Diego, GotoeSIM Support
Louis G. · 10 months ago
Does this work on an iPhone 13?
Yes Louis, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. – Emma 💜
Elena M. · 10 months ago
Which networks does this connect to?
You'll be on top local networks, Elena — full details are on the plan page under Coverage. – Ingrid 💜
Ava B. · 1 year ago
Great guide, the setup steps were really helpful.
So glad it helped, Ava! We're always here if you need anything. – Omar, GotoeSIM Support