Japan

Japan e-SIM

Instant e-SIM for Japan. No physical SIM. No roaming surprises.

Quick check: dial *#06# — if an EID appears, your phone supports e-SIM. Setup guide →

Japan

1 GB

7 days

Data-only plan
Instant digital delivery
Top-up available

from $4.60

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Japan

1 GB

7 days

Data-only plan
Instant digital delivery
Top-up available

from $7.00

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Japan

3 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $8.80

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Japan Regional

1 GB

7 days

Data-only plan
Covers 3 countries
Instant digital delivery
Top-up available

from $10.50

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Japan

5 GB

7 days

Data-only plan
Instant digital delivery
Top-up available

from $11.90

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Japan Regional

1 GB

7 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $12.30

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Japan

5 GB

10 days

Data-only plan
Instant digital delivery
Top-up available

from $12.60

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Japan

5 GB

15 days

Data-only plan
Instant digital delivery
Top-up available

from $12.60

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Japan

5 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $13.30

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Japan

1 GB

7 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $15.80

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Japan

3 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $17.50

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Japan Regional

3 GB

30 days

Data-only plan
Covers 3 countries
Instant digital delivery
Top-up available

from $21.00

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Japan

10 GB

15 days

Data-only plan
Instant digital delivery
Top-up available

from $21.70

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Japan

10 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $23.10

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Japan

5 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $28.40

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Japan Regional

3 GB

30 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $28.70

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Japan

1 GB

7 days

Data-only plan
Covers 104 countries
Instant digital delivery
Top-up available

from $29.80

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Japan Regional

5 GB

10 days

Data-only plan
Covers 3 countries
Instant digital delivery
Top-up available

from $33.30

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Japan Regional

5 GB

30 days

Data-only plan
Covers 3 countries
Instant digital delivery
Top-up available

from $35.00

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Japan

3 GB

30 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $39.90

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Japan Regional

5 GB

7 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $41.70

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Japan Regional

5 GB

10 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $44.10

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Japan

20 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $44.10

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Japan Regional

5 GB

30 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $46.60

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Japan Regional

5 GB

30 days

Data-only plan
Covers 64 countries
Instant digital delivery
Top-up available

from $50.10

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Japan

10 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $51.50

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Japan

5 GB

7 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $57.10

View plan

Japan

5 GB

10 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $61.30

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Japan Regional

10 GB

15 days

Data-only plan
Covers 3 countries
Instant digital delivery
Top-up available

from $63.00

View plan

Japan

5 GB

30 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $65.10

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Japan Regional

10 GB

30 days

Data-only plan
Covers 3 countries
Instant digital delivery
Top-up available

from $66.50

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Japan

3 GB

30 days

Data-only plan
Covers 104 countries
Instant digital delivery
Top-up available

from $73.50

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Japan Regional

10 GB

15 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $82.30

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Japan

50 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $86.10

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Japan Regional

10 GB

30 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $86.50

View plan

Japan Regional

10 GB

30 days

Data-only plan
Covers 64 countries
Instant digital delivery
Top-up available

from $93.10

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Japan

20 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $101.20

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Japan Regional

10 GB

180 days

Data-only plan
Covers 10 countries
Instant digital delivery
Top-up available

from $105.00

View plan

Japan

10 GB

15 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $113.10

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Japan Regional

20 GB

30 days

Data-only plan
Covers 3 countries
Instant digital delivery
Top-up available

from $120.80

View plan

Japan

10 GB

30 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $121.10

View plan

Japan

5 GB

30 days

Data-only plan
Covers 104 countries
Instant digital delivery
Top-up available

from $136.50

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Japan Regional

10 GB

365 days

Data-only plan
Covers 10 countries
Instant digital delivery
Top-up available

from $143.50

View plan

Japan Regional

20 GB

30 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $160.70

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Japan Regional

20 GB

180 days

Data-only plan
Covers 10 countries
Instant digital delivery
Top-up available

from $161.00

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Japan

100 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $170.10

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Japan Regional

20 GB

30 days

Data-only plan
Covers 64 countries
Instant digital delivery
Top-up available

from $172.90

View plan

Japan

10 GB

365 days

Data-only plan
Covers 105 countries
Instant digital delivery
Top-up available

from $189.00

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Japan

50 GB

30 days

Data-only plan
Instant digital delivery
Top-up available

from $200.20

View plan

Japan Regional

20 GB

365 days

Data-only plan
Covers 10 countries
Instant digital delivery
Top-up available

from $201.30

View plan

Japan

10 GB

30 days

Data-only plan
Covers 104 countries
Instant digital delivery
Top-up available

from $217.00

View plan

Japan

20 GB

30 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $225.80

View plan

Japan

20 GB

365 days

Data-only plan
Covers 105 countries
Instant digital delivery
Top-up available

from $227.50

View plan

Japan Regional

50 GB

180 days

Data-only plan
Covers 10 countries
Instant digital delivery
Top-up available

from $281.80

View plan

Japan

50 GB

365 days

Data-only plan
Covers 105 countries
Instant digital delivery
Top-up available

from $315.00

View plan

Japan Regional

50 GB

30 days

Data-only plan
Covers 25 countries
Instant digital delivery
Top-up available

from $342.30

View plan

Japan Regional

50 GB

365 days

Data-only plan
Covers 10 countries
Instant digital delivery
Top-up available

from $362.30

View plan

Japan Regional

50 GB

30 days

Data-only plan
Covers 64 countries
Instant digital delivery
Top-up available

from $400.10

View plan

Japan

50 GB

30 days

Data-only plan
Covers 131 countries
Instant digital delivery
Top-up available

from $478.80

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About e-SIM in Japan

e-SIM plans for Japan start at $4.60.

Data allowances run from 1 GB to 100 GB, with validity from 7 to 365 days.

In Japan the Adonis e-SIM connects through KDDI.

All plans for Japan are data-only.

Some plans here can be topped up while the e-SIM is still active — you add data in your Adonis account instead of installing a new one.

Delivery is digital and immediate — no physical SIM is posted.

When a plan starts depends on the plan: some begin at installation, others at first connection in Japan.

Plans last updated: 2026-10-06

FAQ

Does the Japan e-SIM include calls and SMS?

All plans for Japan are data-only.

Which networks does the e-SIM use in Japan?

In Japan the Adonis e-SIM connects through KDDI.

How much does an e-SIM for Japan cost?

e-SIM plans for Japan start at $4.60. Data allowances run from 1 GB to 100 GB, with validity from 7 to 365 days.

When does a plan for Japan start?

When a plan starts depends on the plan: some begin at installation, others at first connection in Japan.

Can I top up an e-SIM for Japan?

Some plans here can be topped up while the e-SIM is still active — you add data in your Adonis account instead of installing a new one.

Operator coverage

KDDI