3 GB
Data
7 days
Validity
$3.50
$1.17/GB
esimx.com Promo code
eSIMX eSIM Japan 2026: Promo Code, Data Plans & Prices
eSIMX eSIM Japan 2026: promo code, plans and prices. How much does it cost? Rates by days and GB, the cheapest data package and unlimited options.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
eSIMX plans and prices for Japan
eSIMX for Japan FAQ.
Is there an eSIMX promo code for Japan?
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Yes. Use our code when you buy a Japan plan. Enter it at checkout.
How much does the cheapest eSIMX for Japan cost?
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The cheapest eSIMX for Japan costs $2.80 and gives you unlimited data for 1 day. We recheck prices daily, so this price is up to date. You can buy it on the official eSIMX site.
Does eSIMX work in Japan?
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Yes, eSIMX works in Japan on its Japan-only plans and on its regional and global eSIMs. If your eSIM is installed but won't connect after you land, open your phone's settings and turn on data roaming for it. Your home SIM can stay as it is.
How much is an eSIMX for Japan for 7, 15 or 30 days?
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For Japan alone, these are eSIMX's lowest prices by trip length:
- 7 days: $3.50 for 3 GB
- 30 days: $3.80 for 3 GB
eSIMX has no 15-day plan for Japan.
Does eSIMX have an unlimited data eSIM for Japan?
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Yes, eSIMX has 7 unlimited plans for Japan, up to $32.80 for 30 days. A week without a data cap costs $7.90. On most plans, you get 2 GB a day at high speed, then at least 128 kbps until the allowance resets the next day.
What is eSIMX, and is it good for Japan?
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eSIMX is an eSIM store for travelers, with plans covering 196 destinations.
How much does 1 GB of data cost with an eSIMX in Japan?
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With eSIMX, 1 GB in Japan can cost as little as $0.63, on the plan with 30 GB for 7 days.
Does eSIMX have 5G in Japan?
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Yes, 39 of eSIMX's 43 plans for Japan have 5G, so check the plan details before you buy. Your phone needs to support 5G too: on iPhone, that means an iPhone 12 or newer.
Can I use an eSIMX as a mobile hotspot in Japan?
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Yes, most eSIMX plans let you share data through a personal hotspot. Some unlimited plans cap hotspot use, usually at 1 to 5 GB a day, so check the plan details before you buy.
Does eSIMX have a phone plan with a number for Japan?
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No, eSIMX's Japan plans are data only, so your home number stays on your main SIM. eSIMX's Europe and Global plans with calls also work in Japan and come with a phone number. You can still call and message people through WhatsApp or other apps.
Can I buy an eSIMX before my trip to Japan and use it later?
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Yes, but install and activate the eSIM within 30 days of purchase. On most plans, the days start when you arrive and connect to a network in Japan, and on a few they start at installation, so check the plan details before you buy.
Can I top up an eSIMX?
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No, you can't add data to an eSIMX. When your data runs out, you buy a new eSIM in the app or on the website.
Does eSIMX have a global eSIM that works in Japan?
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Yes, eSIMX has 23 regional plans that cover Japan and other countries, plus 4 global plans starting at $10.00. These keep you online as you cross borders. But if you're only going to Japan, a Japan-only plan costs less. For example, 10 GB for 30 days is $10.80 on the Japan eSIM and $12.80 on the regional one.
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