Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB/Day · 1 GB/day · 1 days
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Coverage & networks
- Japan KDDI/au 5G SoftBank 5G
- South Korea SKTelecom 5G LG Uplus 5G
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB/Day plan costs $2.16 for 1 GB/day over 1 days, paid once with no hidden fees.
How do I activate my 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 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 Japan & South Korea.
Comments & questions
Marco K. · 1 month 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.
Beatriz S. · 3 months ago
Does this work on an iPhone 13?
It does. Every iPhone from the XS onwards supports eSIM, including the 13.
Budi D. · 4 months ago
Will this keep my WhatsApp active with my home number?
It does — your home number stays live for WhatsApp, calls and texts. The eSIM only carries data.
Lucas P. · 6 months ago
Is 5G supported or just 4G?
You get 5G on networks that carry it, and 4G everywhere else. No setting to change.
Grace B. · 8 months ago
Thanks, installed with no problems on my Samsung.
Thanks for the feedback — happy it was straightforward.
Liam L. · 8 months ago
Does the validity start on purchase or on first use?
Validity starts on first connection at your destination, not at purchase.
Beatriz V. · 9 months ago
Which networks does this connect to?
The plan page lists the carriers for that destination. Selection is automatic.
Haruto G. · 10 months ago
Is roaming charged extra or is it all included?
No extra roaming fees — the price you see is the price you pay.
Ryan N. · 10 months 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.
Ava B. · 1 year ago
Do I need to install it before I travel or after I arrive?
Set it up before departure. Installing needs internet, and airport Wi-Fi is not always reliable.
Camila P. · 1 year 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.
Sofia B. · 1 year ago
Can I use this for hotspot/tethering?
Yes, hotspot and tethering are supported. It uses your plan data as normal.