5 GB
$11.99
30 days · Works in 2 countries
- Network
- 3G/4G/5G
- Networks
- KDDI/au, SoftBank, SKTelecom
- Activation
- Starts on first connection
Top-up available
Japan and South Korea eSIM
Prepaid mobile data for Japan and South Korea. Instant delivery, no roaming charges.
Travel across 2 countries with a single Japan and South Korea eSIM. Plans from 5 GB to 20 GB, valid 30 days, starting at $11.99.
- Instant QR code delivery
- Hotspot / tethering allowed
- Keep your regular number for calls
Japan and South Korea data plans
10 GB
$22.99
30 days · Works in 2 countries
- Network
- 3G/4G/5G
- Networks
- KDDI/au, SoftBank, SKTelecom
- Activation
- Starts on first connection
Top-up available
20 GB
$39.99
30 days · Works in 2 countries
- Network
- 3G/4G/5G
- Networks
- KDDI/au, SoftBank, SKTelecom
- Activation
- Starts on first connection
Top-up available
Japan and South Korea eSIM at a glance
| Price from | $11.99 |
|---|---|
| Plans available | 3 |
| Data options | 5 GB – 20 GB |
| Validity | 30 days |
| Countries covered | 2 |
| Networks | KDDI/au, SoftBank, SKTelecom, and LG Uplus |
| Network type | 4G/5G |
| Hotspot / tethering | Yes |
| Activation | When you connect at your destination |
| Delivery | Instant, by QR code |
Japan and South Korea eSIM: frequently asked questions
How much does an eSIM for Japan and South Korea cost?
Prepaid Japan and South Korea eSIM plans on Simsiz start at $11.99. Choose from 5 GB to 20 GB, valid 30 days, so you only pay for the data you need.
Which countries does the Japan and South Korea eSIM cover?
The Japan and South Korea eSIM works in 2 countries, including Japan and South Korea.
Which mobile networks does the Japan and South Korea eSIM use?
The Japan and South Korea eSIM connects to local networks including KDDI/au, SoftBank, SKTelecom, and LG Uplus, with 4G/5G coverage. Your phone automatically picks the strongest available network.
Does the Japan and South Korea eSIM support 5G?
Yes. Selected Japan and South Korea plans support 5G where the local network offers it, and fall back to 4G/LTE elsewhere.
Can I share data from the Japan and South Korea eSIM with a hotspot?
Yes. You can use personal hotspot / tethering to share your Japan and South Korea eSIM data with a laptop or other devices.
When should I install my Japan and South Korea eSIM?
Install it before you travel while you're on Wi-Fi. Most plans only start counting days when the eSIM first connects to a network in Japan and South Korea, so installing early doesn't waste validity.
Will I keep my phone number?
Yes. Your regular SIM stays active for calls and SMS while the eSIM handles mobile data, so you can still receive verification codes from your bank.
All 2 countries covered
Japan
South Korea