Japan eSIM: complete guide to data during your trip
5 min readEverything about an eSIM for Japan: data plans, coverage, installation, train travel, WhatsApp, and mobile internet in cities and rural areas.
Read the guideWhy travellers choose this
Land with data on your phone: scan, connect and choose what fits your trip in advance.
Pay upfront and avoid unexpected roaming charges.
Connect in cities, tourist areas and along many routes in Japan. Coverage varies by location.
Keep your own SIM for calls and use the eSIM for data.
Before installation, check when validity starts for your selected plan.
Four things determine the answer. We already know three for you, only your phone still needs a check.
Cities, coastal areas and many key routes. On islands, reach depends on your plan's network partner.
Install your eSIM at home, so you can connect right after you land.
You see upfront which local networks and 4G or 5G support come with each plan.
eSIM-ready and unlocked? Look up your model in 10 seconds.
Set your trip length and daily usage. You instantly see which plan fits Japan, including a 20% buffer.
2 hours per day · ≈ 0.7 GB per day
1 hours per day · ≈ 0.7 GB per day
Not set
A travel eSIM handles your internet. See upfront what simply keeps working and what runs differently than on your normal SIM card.
Use mobile data
Your Japan eSIM handles all internet on your phone.
Use WhatsApp
Your existing WhatsApp account and number keep working.
Call via WhatsApp or FaceTime
These calls run over mobile data, so your Japan eSIM is enough.
Keep your own phone number
Your regular SIM card stays active alongside the eSIM.
Standard calls and SMS: Via your own SIM
Most travel eSIMs are data-only.
Use as personal hotspot: Depends on bundle
Hotspot support varies per bundle and provider. Check the details of the bundle you choose.
You do not need to swap a physical SIM card. After your order, you receive clear instructions to install your eSIM.
Before departure
Select how many GB and how many days you need for your trip to Japan.
After payment, your QR code and installation instructions go straight to your inbox.
Before installation, check when validity starts and then follow the steps in your email.
On arrival
Turn on data roaming for the eSIM line. Your regular SIM is managed separately.
Your device automatically picks a supported network in Japan.
Navigation, WhatsApp and apps work right away, without swapping SIM cards.
Everything about compatibility, installation, using your eSIM and adding more data abroad.
Most recent eSIM iPhones and Android devices do. Check compatibility before ordering.
Continuing beyond Japan or combining several destinations? These eSIM bundles often fit the same trip.
Navigate Japan with reliable prepaid data: Tokyo, Kyoto, Shinkansen and beyond. Your eSIM lands in your inbox within minutes.
Pick your bundle and get the QR code straight in your inbox.
Scan the QR code at your own pace, before your trip.
Turn on your eSIM once you arrive in Japan. You're online right away.
50 GB
Valid for 30 days