China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 1GB/Day · 1 GB/day · 1 days
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Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 1GB/Day plan costs $3.52 for 1 GB/day over 1 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 eSIM TopUp 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
Mohammed M. · 4 months ago
Is 5G supported or just 4G?
Yes, 5G where available. Coverage depends on the local operator in that country.
Sarah F. · 5 months ago
Can I top up the same eSIM instead of buying a new one?
Yes, if the plan supports top-up you can add data to the same eSIM rather than installing a new one.
Somchai H. · 6 months ago
Does this work on an iPhone 13?
It does. Every iPhone from the XS onwards supports eSIM, including the 13.
Chloe P. · 6 months ago
Great guide, the setup steps were really helpful.
Thank you, that is good to hear.
Grace T. · 7 months ago
Does the validity start on purchase or on first use?
First use. Buying in advance does not eat into your days.
Arjun T. · 8 months ago
Can I use this for hotspot/tethering?
Yes, hotspot and tethering are supported. It uses your plan data as normal.
Daniel F. · 8 months ago
How do I check how much data I have left?
It is in the app under My eSIMs, and on your account dashboard on the website.
Wei M. · 9 months ago
Which networks does this connect to?
The plan page lists the carriers for that destination. Selection is automatic.
Olivia S. · 11 months ago
Is roaming charged extra or is it all included?
No extra roaming fees — the price you see is the price you pay.
Sri S. · 1 year ago
How long does the QR code take to arrive after payment?
Delivery is immediate. The QR is in your account the moment payment clears.
James N. · 1 year ago
Will this keep my WhatsApp active with my home number?
Yes. The eSIM handles data while your normal SIM stays active, so WhatsApp keeps your usual number.
Aisha S. · 1 year ago
Can I use it in nearby countries too?
That depends on the plan — country plans work in that country only, while our regional and global plans cover multiple destinations.