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12 Days Unlimited Data Japan eSIM

£26.90

Travel effortlessly across Japan with the ultimate high-speed connectivity solution designed for modern explorers. Powered by KDDI’s premium local network, this 12-day eSIM delivers ultra-fast internet speeds reaching up to 1 Gbps without any daily data caps to slow you down. Whether navigating busy Tokyo streets, streaming high-definition content on the bullet train, or staying in touch with home, you get reliable, seamless coverage nationwide. Plus, with 11GB of mobile tethering included, sharing your connection with laptops or travel partners is entirely hassle-free. Skip the airport rental queues, scan your QR code, and instantly experience pure, unrestricted data.

Description

Seamless Connectivity: The Ultimate Japan 12-Day eSIM Guide

Navigating Japan requires fast, dependable mobile internet to access transit maps, translation tools, and streaming services on the go. The Japan KDDI 12-Day Unlimited eSIM delivers ultra-fast speeds up to 1 Gbps directly on KDDI’s local tier-1 network. Designed for hassle-free travel, this digital SIM eliminates physical card swaps and long airport queues. With pure unlimited data, no daily bandwidth caps, and dedicated tethering allowances, travelers can explore bustling cities or rural trails with complete peace of mind. Activate instantly via QR code and enjoy total digital freedom across Japan throughout your entire journey.

Key Features at a Glance

Feature	Details
Network Provider	KDDI Local Network
Data Allowance	Pure Unlimited (No daily caps)
Maximum Speed	Up to 1 Gbps
Tethering / Hotspot	11GB high-speed allowance
Validity Period	12 Days from activation
Voice & SMS	Data only (N/A)
QR Code Validity	180 Days from purchase

Why Get This eSIM?

True Unlimited Data: Browse, stream, and navigate without worrying about hitting restrictive daily data caps or suffering from unexpected speed throttling.
Direct KDDI Coverage: Connect directly to one of Japan's top telecom networks for crystal-clear connectivity in major metro areas and remote tourist regions.
Generous Mobile Hotspot: Use 11GB of dedicated tethering data to connect your laptop, tablet, or secondary travel devices on the go.
Instant Digital Delivery: Skip long lines at airport SIM kiosks by receiving your QR code digitally before departure for immediate activation upon landing.
Flexible Planning Window: Hold onto your purchased QR code for up to 180 days, giving you total flexibility to lock in travel plans early.

How to Install the eSIM in 5 Simple Steps

Check Compatibility: Ensure your smartphone is carrier-unlocked and supports eSIM functionality before starting setup.
Connect to Wi-Fi: Connect your device to a stable Wi-Fi network prior to departure or at the airport.
Scan the QR Code: Open your phone settings, select Cellular/Mobile Data, choose Add eSIM, and scan your received QR code.
Label Your Line: Assign a clear label to your new eSIM profile, such as "Japan Travel Data," to easily manage your connections.
Turn On Data Roaming: Upon landing in Japan, set your mobile data preference to the new eSIM and toggle Data Roaming to ON to instantly connect.

Frequently Asked Questions

Does this Japan eSIM support voice calling or traditional SMS text messages?

No, this is a data-only eSIM service designed strictly for internet connectivity. You can easily make audio or video calls and send messages using data-based applications like WhatsApp, Skype, LINE, or iMessage.

Can I share my internet connection with other devices while using this eSIM?

Yes, mobile hotspot and tethering are supported up to a total limit of 11GB. You can connect secondary devices like laptops or share internet access with your travel companions.

When does the 12-day validity period officially begin?

The 12-day validity timer starts automatically when you scan the QR code.

What happens if I buy the eSIM long before my actual travel date?

Your unused eSIM QR code remains valid for up to 180 days from the purchase date, allowing you to buy well in advance without losing any service time.

More Information

More Information
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Features

Unlimited internet at max speed
11GB tethering
KDDI local network
up to 1 Gbps
no daily data caps
12 days validity
180-day QR validity.

Technical Specs

Installation: eSIM
Activation: QR Code
Compatibility: Compatible With All Modern Smartphone Devices and Wi-Fi
Days of use: 12 days
Delivery time: Instantly

Country Coverage

Japan

Reviews

Start enjoying unlimited data

Number of Days: 12 days

Experience Japan without limits—pure 1 Gbps speed wherever you roam.

Digital Setup

Receive instant delivery via QR code to bypass physical SIM card swaps, airport rental lines, or retail stores, giving you instant connectivity the moment you land in Japan.

Activation

Store your purchased eSIM for up to 180 days before activation, allowing you to secure your travel connectivity well in advance without worrying about premature expiration.

Duration

Keep your connection active for 12 full days from activation, providing seamless data coverage designed to match the typical length of single- or multi-city Japanese vacations.

Tethering

Share up to 11GB of high-speed data with your laptop, tablet, or companions, making it easy to work on the go or stay connected across multiple personal devices.

Data Limit

Enjoy pure, uncapped internet access for the entire 12-day period, ensuring you never face daily throttling or soft caps while streaming, mapping, or browsing online.

Network

Connect directly to KDDI's local tier-1 network for top-tier coverage, reaching speeds up to 1 Gbps across Japan without signal drops or slow third-party routing.