China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 1GB 7Days · 1 GB · 7 days
620 reviews
Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG U+ 5G
Traveller reviews
Carlos S.
Thailand · May 2026
Decent speeds, though slower than I expected in a few spots. Signal held up well on trains and in rural areas.
Priya
GotoeSIM Support
· 2 months ago So sorry to hear this, Carlos. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Priya
Viktor H.
UAE · Jan 2026
Solid overall, just wish there was a bit more data for the price. Coverage was strong even outside the city.
Ken
GotoeSIM Support
· 6 months ago So sorry to hear this, Viktor. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. — Ken
Zoe L.
India · Jun 2025
Install took me two tries but was fine after that. Streaming and video calls worked without buffering.
Sara
GotoeSIM Support
· 1 year ago We're really sorry, Zoe. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. – Sara 💜
Noah N.
India · Apr 2025
Decent speeds, though slower than I expected in a few spots. Coverage was strong even outside the city.
Sophie
GotoeSIM Support
· 1 year ago So sorry to hear this, Noah. 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. – Sophie, GotoeSIM Support
Giulia M.
New Zealand · Feb 2025
Install took me two tries but was fine after that. Signal held up well on trains and in rural areas.
Diego
GotoeSIM Support
· 1 year ago So sorry to hear this, 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
Emma D.
United States · Jan 2025
Good coverage in the city, a bit patchy in remote areas.
Omar
GotoeSIM Support
· 1 year ago We're really sorry, Emma. 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. — Omar, GotoeSIM Support
Aisha C.
Vietnam · Nov 2024
Solid overall, just wish there was a bit more data for the price. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 1 year ago So sorry to hear this, Aisha. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. — Omar, GotoeSIM Support
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 1GB 7Days plan costs $3.45 for 1 GB over 7 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
Thomas C. · 1 week ago
Can I top up the same eSIM instead of buying a new one?
Yes Thomas, you can top up the same eSIM anytime — no need to buy a new one. — Sophie, GotoeSIM Support
Ryan M. · 1 month ago
Does this work on an iPhone 13?
Absolutely, Ryan! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. — Emma
Sri W. · 2 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Sri, so buying early is totally fine. — Anna
Lucas R. · 3 months ago
Can I use it in nearby countries too?
For nearby countries, Lucas, a regional plan may suit you better — happy to help you pick. – Anna 💜
Emma D. · 4 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Emma, on 4G/5G where available. – James 💜
Max V. · 5 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Max, then it activates automatically on arrival. — Laura
Katya L. · 6 months ago
Is 5G supported or just 4G?
Yes Katya, 5G is supported where the local network offers it, otherwise fast 4G. – Sara, GotoeSIM Support
Mei N. · 7 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Mei! Add it via SIM manager and you're set. – Emma 💜
Mohammed H. · 9 months ago
Can I use this for hotspot/tethering?
Yes Mohammed, hotspot/tethering works fine — share your data to a laptop or tablet anytime. – Ken, GotoeSIM Support
Giulia T. · 10 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Giulia — no extra charges, it's all prepaid. — Ingrid, GotoeSIM Support
Max F. · 1 year ago
How long does the QR code take to arrive after payment?
It's immediate, Max! The QR code is delivered the moment your payment goes through. – David, GotoeSIM Support
Budi B. · 1 year ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Budi! The eSIM just handles data. – Priya, GotoeSIM Support