Will my phone work with a Japan eSIM?

Most phones released since 2019 support eSIM, including iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy S and Note models. Your phone also needs to be carrier-unlocked. You can check in your settings: if you can add an eSIM or see an EID number, you are good to go.

When should I install it?

Install it before you travel, while you still have wifi. The eSIM stays dormant until it connects to a network in your destination, so installing early does not start the clock.

Does my usual number keep working?

Yes. The eSIM is a second line purely for data, so your normal SIM stays active for calls and texts. Many travellers turn off roaming on their main line and let the eSIM carry all the data.

Can I make calls in Japan?

These are data-only plans, so they do not include a local phone number for regular calls. Calls and messages over WhatsApp, FaceTime, Telegram or Signal work normally on the eSIM data.

What happens when the data runs out?

The plan simply stops carrying data — there are no automatic charges and no overage bills. You can buy another plan at any time, and some bundles reduce speed rather than cutting off entirely.

Japan eSIM

Mobile data in Japan, sorted before you fly

Install a prepaid Japan eSIM in minutes and connect the moment you land. No roaming charges, no queueing for a local SIM, and your own number keeps working.

From$0.48

All destinations

Instant deliveryQR code by email in seconds
No roaming billsPrepaid, no surprise charges
Local networksConnects to top-tier carriers
Keep your numberYour SIM stays active for calls

Japan data plans

Fixed data bundles

A total allowance to use across the validity period.

100 MBValid 7 days
Cheapest
$0.48
500 MBValid 7 days
$0.64
1 GBValid 7 days
$1.11
1 GBValid 7 daysIIJ network
Runs on IIJ's Japanese network.
$1.11
1 GBValid 7 daysLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$1.68
3 GBValid 15 days
$2.72
3 GBValid 15 daysIIJ network
Runs on IIJ's Japanese network.
$2.72
3 GBValid 30 days
$2.88
3 GBValid 30 daysIIJ network
Runs on IIJ's Japanese network.
$2.88
5 GBValid 30 days
$4.32
5 GBValid 30 daysIIJ network
Runs on IIJ's Japanese network.
$4.32
3 GBValid 15 daysLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$4.57
3 GBValid 30 daysLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$4.72
5 GBValid 30 daysLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$6.34
10 GBValid 30 days
$7.52
10 GBValid 30 daysIIJ network
Runs on IIJ's Japanese network.
$7.52
10 GBValid 30 daysLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$10.55
20 GBValid 30 days
$13.12
20 GBValid 30 daysIIJ network
Runs on IIJ's Japanese network.
$13.12
20 GBValid 30 daysLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$17.59
50 GBValid 30 days
$27.21
50 GBValid 30 daysIIJ network
Runs on IIJ's Japanese network.
$27.21
50 GBValid 180 days
$44.80

Daily allowance plans

A fresh allowance every day rather than one total — better for longer stays and heavy use.

500 MB/dayFresh allowance every day
$0.80
500 MB/dayFresh allowance every dayIIJ network
Runs on IIJ's Japanese network.
$0.80
500 MB/dayFresh allowance every dayLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$0.83
1 GB/dayFresh allowance every day
Slows to 1 Mbps after the daily allowance instead of cutting off.
$1.29
1 GB/dayFresh allowance every dayLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$1.54
1 GB/dayFresh allowance every day
$1.60
1 GB/dayFresh allowance every dayIIJ network
Runs on IIJ's Japanese network.
$1.60
2 GB/dayFresh allowance every day
Slows to 1 Mbps after the daily allowance instead of cutting off.
$2.56
2 GB/dayFresh allowance every dayLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$2.95
2 GB/dayFresh allowance every day
$3.20
2 GB/dayFresh allowance every dayIIJ network
Runs on IIJ's Japanese network.
$3.20
3 GB/dayFresh allowance every day
$3.51
3 GB/dayFresh allowance every dayIIJ network
Runs on IIJ's Japanese network.
$3.51
3 GB/dayFresh allowance every dayLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$3.81
3 GB/dayFresh allowance every day
Slows to 1 Mbps after the daily allowance instead of cutting off.
$4.05
5 GB/dayFresh allowance every dayLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$5.63
3 GB/dayFresh allowance every dayLocal routing
Slows to 1 Mbps after the daily allowance instead of cutting off.
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$5.98
5 GB/dayFresh allowance every day
$7.04
10 GB/dayFresh allowance every dayLocal routing
Your traffic exits in-country rather than via Hong Kong — better for services that check where you are.
$7.75
10 GB/dayFresh allowance every day
$8.00

Travelling beyond Japan?

If Japan is one stop on a longer trip, a regional plan covers many countries on one eSIM — usually cheaper than buying a separate plan at every border.

See the Asia plan Global eSIM

Getting online in Japan

1.Choose your plan
Pick the data bundle that matches your trip. Pay once, no contract.
2.Get your QR code
It arrives by email within seconds of checkout.
3.Scan and install
Open your camera, scan the code, and the eSIM installs itself.
4.Land and connect
Data switches on automatically when you arrive.

Common questions

Will my phone work with a Japan eSIM?: Most phones released since 2019 support eSIM, including iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy S and Note models. Your phone also needs to be carrier-unlocked. You can check in your settings: if you can add an eSIM or see an EID number, you are good to go.
When should I install it?: Install it before you travel, while you still have wifi. The eSIM stays dormant until it connects to a network in your destination, so installing early does not start the clock.
Does my usual number keep working?: Yes. The eSIM is a second line purely for data, so your normal SIM stays active for calls and texts. Many travellers turn off roaming on their main line and let the eSIM carry all the data.
Can I make calls in Japan?: These are data-only plans, so they do not include a local phone number for regular calls. Calls and messages over WhatsApp, FaceTime, Telegram or Signal work normally on the eSIM data.
What happens when the data runs out?: The plan simply stops carrying data — there are no automatic charges and no overage bills. You can buy another plan at any time, and some bundles reduce speed rather than cutting off entirely.

Mobile data in Japan, sorted before you fly

Japan data plans

Fixed data bundles

Daily allowance plans

Travelling beyond Japan?

Getting online in Japan

1.Choose your plan

2.Get your QR code

3.Scan and install

4.Land and connect

Common questions

More eSIM destinations in Asia

Your privacy, your choice