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China mainland & Japan & South Korea

China mainland & Japan & South Korea 1GB/Day

4.5 321 reviews
Data
1 GB/day
Validity
1 days
Network
3G/4G/5G
Coverage
China mainland & Japan & South Korea
Type
Base
Activation
Scan QR code
China mainland & Japan & South Korea 1GB/Day

Coverage & networks

  • China mainland China Unicom 5G
  • 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

China mainland & Japan & South Korea eSIM — 1 GB/day, 1 days

Stay connected in China mainland & Japan & South Korea with the China mainland & Japan & South Korea 1GB/Day travel eSIM. It gives you 1 GB/day of high-speed 3G/4G/5G data valid for 1 days for just $3.30 — 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 China mainland & 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 (China Unicom, 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 China mainland & Japan & South Korea.

Frequently asked questions

How much does the China mainland & Japan & South Korea eSIM cost?

The China mainland & Japan & South Korea 1GB/Day plan costs $3.30 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.