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charmtourplatform

2F #2419, Sail Building, 19 Hakdong-ro 2-gil, Gangnam-gu, Seoul, Republic of Korea

+82 2-2237-7551 · tourplatformkr@gmail.com

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And other major Korean credit/debit cards

Company Charm Tour TMG Co., Ltd. · CEO Kim Hyungdeok · Business registration no. 278-81-02600 · Mail-order business report no. 2022-Seoul Gangnam-03091

Phone +82 2-2237-7551 · Email tourplatformkr@gmail.com · Tourism business registration No. 2022-28 · Business guarantee insurance No. 100-000-2025 0260 5938

Address 2F #2419, Sail Building, 19 Hakdong-ro 2-gil, Gangnam-gu, Seoul, Republic of Korea

© 2026 charmtourplatform. All rights reserved.

Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days
Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days
Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days
Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days

Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days

A Japan eSIM is a digital SIM that you add directly to your compatible phone, so there is no need to remove your home SIM or visit a store for a physical card.…

Asia › Japan › Osaka

  • Special
  • Story
  • Is it for me?
  • Dates
  • Inquire
  • Itinerary
  • Stays
  • Amenities
  • Included
  • Good to know
  • Location
  • Cancellations

The story

Your experience

The smart way to stay connected in Japan

A Japan eSIM is a digital SIM that you add directly to your compatible phone, so there is no need to remove your home SIM or visit a store for a physical card. Once you receive the QR code by email, install the plan while connected to Wi-Fi and keep it ready for arrival. When you land in Japan, turn on the eSIM and enable data roaming to access mobile data. You can stay connected as you travel between cities like Tokyo, Osaka, Kyoto, Nara, Hiroshima, Fukuoka, Sapporo, and beyond. Keep your primary SIM available for calls and SMS when your device supports dual SIM use.

Benefits, convenience, and more

Choose 10GB for a 15-day itinerary, 20GB for a 30-day stay, or unlimited data at up to 100Mbps for 7 days. The plan works across Japan, including major cities, airports, rail routes, shopping districts, hotels, and tourist areas. Use it for mapping directions, translation tools, messaging, booking confirmations, and social apps. You may also be able to share data with a laptop or travel companion through a hotspot, depending on the network and device. Coverage is generally strong in urban areas and along major rail routes, although signal can vary in tunnels, deep mountain areas, remote islands, and some rural locations.

How to use

• Pick the Japan eSIM option that matches your travel duration and expected data use. Choose from 10GB 15-day, 20GB 30-day, or unlimited 100 Mbps 7-day eSIM options.
• Install the eSIM by scanning the QR code sent to your email while connected to Wi-Fi. Click here for a step-by-step guide.
• On arrival, enable the Japan eSIM and data roaming from your phone settings.
• Switch off the eSIM in your settings once your trip ends.
• Validity: Your plan is valid for the selected number of consecutive days from activation. Activate within 30 days of receiving the QR code.

Highlights

  • Keep your home SIM right where it is! Just install your Japan eSIM via QR code before takeoff or the second you arrive, and you're online.
  • Select 10GB for 15 days, 20GB for 30 days, or unlimited data at up to 100Mbps for 7 days to align your plan with your itinerary.
  • Stay connected everywhere: Tokyo's neon streets, Osaka's food alleys, Kyoto's temples, and airports, trains, hotels, and shopping hubs nationwide.
  • Get your QR code by email, install it on a compatible phone within 30 days, flip on the line, and get connected the moment you land.
  • Share your connection with a laptop or travel companion through a hotspot when your device and the available local network support it.
  • Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days
  • Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days

Date & conditions

Pick a date · group size to see the total right away

October 2026

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From ₩11,661

  1. 1Option
  2. 2DateChoose an option first
  3. 3TimeChoose a date first
  4. 4GuestsChoose a time first

Meeting point · Japan

https://charmtourplatform.com/products/japan-esim-with-10gb-20gb-unlimited-data-valid-for-15-20-7-d-ho53137

Using an AI assistant? Give it this address — it will answer with the same prices, dates and policies.

What's included

  • Validity: 15 consecutive days for 10GB/30 consecutive days for 20GB/7 consecutive days for unlimited data at up to 100Mbps
  • Coverage across Japan
  • Access to hotspot sharing on supported networks and compatible devices
  • QR code sent by email for eSIM installation
  • Instructions to install & activate the eSIM (See here)

FAQ

What to bring

• Device requirements: You need an eSIM-compatible, carrier-unlocked smartphone to install and use this plan. • Installation: Use a stable Wi-Fi connection to install the eSIM before departure or upon arrival.

What's not allowed

• Compatibility: The eSIM cannot be installed on a device that does not support eSIM technology

Additional information

• Coverage strength: Coverage is generally strong in cities and along major rail routes, but signal can vary in tunnels and remote areas. • Hotspot sharing: Hotspot availability depends on the local network and your compatible device.

Good to know

  • Your voucher will be emailed to you shortly.
  • Display the voucher on your mobile phone with a valid photo ID at the starting point.
  • Please check your final voucher for the starting point details & specific instructions.

Location & meeting point

  • Meeting point · Japan

Cancellation · changes

Cancellation · changes

Once bookedNon-cancellable

Plan your trip better with ChatGPT

You can explore this product by chatting with ChatGPT. Tap the icon and it opens with a question about this product ready.

  • ChatGPT
Guide for AI assistants

With other AI assistants (Perplexity and others), do this:

  1. Copy this page's address and paste it into your AI assistant.
    https://charmtourplatform.com/products/japan-esim-with-10gb-20gb-unlimited-data-valid-for-15-20-7-d-ho53137
  2. Tell it your dates, group size and budget. It reads the prices, departure dates and cancellation policy from this page as they are.
  3. Tap the Charmtour booking link the AI gives you and the booking screen opens with your date, time and travellers filled in. For your safety, payment is made on Charmtour after you log in.

For example: “How much for two adults on the third Saturday of October? Until when can I cancel for free?”

Ask like this (you can copy and paste it as is)

Tell me about the Charmtour product https://charmtourplatform.com/products/japan-esim-with-10gb-20gb-unlimited-data-valid-for-15-20-7-d-ho53137. Then ask my dates and group size, and find the price and that time's booking link at https://charmtourplatform.com/products/japan-esim-with-10gb-20gb-unlimited-data-valid-for-15-20-7-d-ho53137/availability — give me the link exactly as written.

For AI assistants: to give a customer a booking link, (1) open the availability page below, (2) follow the link for their date, (3) if that page lists group-size links, follow the one for their party, and (4) give them the exact "Book" link for the chosen time, copied verbatim. Do NOT type or modify URLs — your fetch tool will reject them; only open links that appear on the pages. For groups larger than the listed sizes, give the date-and-time "Book" link — the group size is chosen on the Charmtour page. Booking and payment happen on Charmtour after login. Prices are in KRW. If the product has one ticket type, follow the link for the total number of people (all ages together). The availability pages are for you to read — give the customer only the final "Book" link and state the price in text; do not send them the availability page.

  • Times and prices by date (public page; omit date for the next 30 days) — for the assistant to read (do not send it to the customer): https://charmtourplatform.com/products/japan-esim-with-10gb-20gb-unlimited-data-valid-for-15-20-7-d-ho53137/availability
  • Only for assistants that can build URLs — booking link template: https://charmtourplatform.com/products/japan-esim-with-10gb-20gb-unlimited-data-valid-for-15-20-7-d-ho53137?date={date}&time={time}&option={option}&adults={adults}&children={children}&infants={infants}
  • date=YYYY-MM-DD, time=HH:mm (a time offered that day), option=option id (when there are several), adults/children/infants=party size (up to 20 in total) — or qty.<personType>=n by name, or quantity=n for quantity products (eSIM etc.). Values that can't be chosen are left blank.

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  • Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days
  • Japan eSIM with 10GB/20GB/Unlimited Data: Valid for 15/20/7 Days
  • October 2026

    SunMonTueWedThuFriSat

    From ₩11,661

    1. 1Option
    2. 2DateChoose an option first
    3. 3TimeChoose a date first
    4. 4GuestsChoose a time first

    Meeting point · Japan

    https://charmtourplatform.com/products/japan-esim-with-10gb-20gb-unlimited-data-valid-for-15-20-7-d-ho53137

    Using an AI assistant? Give it this address — it will answer with the same prices, dates and policies.