What you get
Install your eSIM before departure and activate data after arrival.
← All destinations
Asia
Japan eSIM
Fast 5G coverage across Tokyo, Osaka, Kyoto and beyond.
Networks
SoftBank · NTT Docomo
Validity
1–30 days
Coverage
Japan
Validity
Daily data
1 days
2 days
3 days
4 days
5 days
6 days
7 days
8 days
10 days
12 days
15 days
20 days
30 days
Select a plan
Choose a data allowance and validity period that matches your trip.
POLICY
Unlimited and daily plans may reduce speed after the stated high-speed allowance.
Coverage
Network availability varies by destination and local operator.
Networks
Hotspot availability follows the selected plan and local network policy.
POLICY
Review eligibility before installing or activating the eSIM.
Daily data
Daily allowances reset according to the plan's network time zone.
Japan setup
How to Set Up Your eSIM in 3 Minutes
Step 1
Choose your plan
Select your destination, trip length, and data allowance.
Step 2
Install your eSIM
Open your voucher over Wi-Fi and follow the setup guide.
Step 3
Connect on arrival
Select the travel line for data and enable roaming.
Why SIMTOSS in Japan
Why travelers choose SIMTOSS
Use trusted local coverage while keeping your primary SIM available and avoiding surprise roaming charges.
- Instant email delivery
- No contract, no SIM swap
- 24/7 customer support
Set up your SIMTOSS eSIM in 3 minutes
Check compatibility, install over Wi-Fi, and turn on the travel line after arrival.
Japan help
FAQs about eSIMs for Japan
When should I install my eSIM?
Install before departure while connected to reliable Wi-Fi.
Read details →What should I check after arrival?
Select the eSIM for mobile data and enable data roaming.
Read details →