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Japan & South Korea

Japan & South Korea 5GB 30Days

4.5 620 reviews
Data
5 GB
Validity
30 days
Network
3G/4G/5G
Coverage
Japan & South Korea
Type
Base
Activation
Scan QR code
Japan & South Korea 5GB 30Days

Coverage & networks

  • Japan KDDI/au 5G
  • South Korea SKTelecom 5G LG Uplus 5G

What you get

  • Instant QR code delivery after payment
  • Keep your normal SIM & number active
  • Step-by-step setup in the app and by email
  • Live data-usage tracking

Japan & South Korea eSIM — 5 GB, 30 days

Stay connected in Japan & South Korea with the Japan & South Korea 5GB 30Days travel eSIM. It gives you 5 GB of high-speed 3G/4G/5G data valid for 30 days for just $9.75 — buy it online, install it in seconds by scanning a QR code, and you're online the moment you land. No physical SIM to swap, no expensive roaming bills, and you keep your usual number for calls and texts.

Why choose this Japan & South Korea eSIM?

  • Instant delivery: your QR code and activation details arrive within seconds of payment, in the app and by email.
  • Reliable coverage: connects to top local networks (KDDI/au, SKTelecom, LG Uplus) on 3G/4G/5G where available.
  • One-tap install: add it in your phone settings or via the eSIM TopUp app — no store visit, no paperwork.
  • Top-up ready: running low? Add more data to the same eSIM instead of buying a new one.
  • Install before you fly: most plans activate automatically when you arrive in Japan & South Korea.

Frequently asked questions

How much does the Japan & South Korea eSIM cost?

The Japan & South Korea 5GB 30Days plan costs $9.75 for 5 GB over 30 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.