Traveling to Japan? Stay connected with the Japan Unlimited Data SIM Card. It offers hassle-free internet access for 8, 16, or 31 days, with unlimited data usage. While the connection may slow down after 3GB, it’s perfect for uninterrupted online access. Customers can conveniently pick up or have the SIM card delivered, but they’ll need to ensure their device is SIM lock-free and compatible with Japan’s frequency bands. This SIM card could be the key to unlocking a seamless digital experience during your Japan adventure.
Key Points
- The Japan Unlimited Data SIM Card is available in 8-day, 16-day, and 31-day durations, providing uninterrupted internet access during your visit.
- The SIM card offers unlimited data usage, but the connection may slow down after 3GB of consumption.
- The SIM card can be picked up from various locations, including hotels, post offices, and the Harajuku Tourist Information Center.
- Customers should ensure their phone is SIM lock-free and supports Japan’s frequency bands before reserving the SIM card.
- Delivery outside Tokyo may take more than 2 days, so advance reservations are required for locations outside the capital.
SIM Card Details

The Japan Unlimited Data SIM Card is available in three durations – 8 days, 16 days, and 31 days – and provides unlimited data usage, though the connection may slow down if more than 3GB are consumed.
The SIM card doesn’t enable incoming or outgoing phone calls. It’s an ideal option for travelers who need uninterrupted internet access during their visit to Japan.
The SIM card can be picked up at select locations, including the hotel, post office at the airport, or Harajuku Tourist Information Center. For airports other than Haneda, Narita, New Chitose, or Centrair, pickup is only possible from post offices during open hours.
Before reserving, travelers should ensure their phone is SIM lock-free.
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Pickup Options

Travelers can pick up the Japan Unlimited Data SIM Card at various convenient locations, such as their hotel, the post office at the airport, or the Harajuku Tourist Information Center.
For airports other than Haneda, Narita, New Chitose, or Centrair, pickup is only possible from post offices during open hours. To ensure a smooth pickup, travelers should inform their name as shown on their passport for airport pickup.
The pickup options include:
- Hotel
- Post office at the airport
- Harajuku Tourist Information Center
- Post office during open hours for other airports
Remember to reserve in advance if delivery to locations outside Tokyo is required, as it may take more than 2 days.
Delivery Details
Delivery service is available for hotels or homes, though Airbnb or guest houses require pickup from a shop or post office.
Plus, delivery to locations outside Tokyo may take more than 2 days, necessitating advance reservations. For these reasons, it’s essential to plan ahead when ordering the Japan Unlimited Data SIM Card.
Customers should inform the provider of their exact delivery location and timeframe to ensure the SIM card arrives on time. By providing this information upfront, travelers can rest assured their SIM card will be waiting for them at their destination, allowing them to stay connected throughout their trip to Japan.
Confirmation and Compatibility

Upon booking, customers receive confirmation, which is crucial to ensuring the Japan Unlimited Data SIM Card is compatible with their device. Before reserving, they should double-check that their phone is SIM lock-free, as the SIM card can’t be returned or refunded once the package is opened.
The confirmation process ensures:
- Customers are provided with all necessary details for their purchase.
- Compatibility with their device is verified, avoiding any issues during use.
- There’s no confusion regarding the non-refundable nature of the SIM card.
- Customers can plan their trip accordingly with the confirmed delivery or pickup options.
Unlimited Data Usage

The Japan Unlimited Data SIM Card provides uninterrupted internet access throughout the duration of its validity, be it 8, 16, or 31 days.
However, users should be aware that the connection may slow down if more than 3GB of data are consumed. This is a necessary measure to ensure fair usage for all customers.
Despite the potential slowdown, the SIM card still offers an unlimited data allowance, making it a convenient option for travelers who want to stay connected without worrying about data limits or additional costs.
As long as users monitor their usage and adjust their browsing habits accordingly, they can enjoy seamless online access throughout their trip to Japan.
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SIM Card Compatibility

Before reserving the Japan Unlimited Data SIM Card, users should check if their phone is SIM lock-free to ensure compatibility. This is crucial, as the SIM card won’t work with phones that are locked to a specific carrier.
To confirm compatibility, users can follow these steps:
- Check the settings on their phone to see if it’s SIM lock-free.
- Consult their phone’s manufacturer or carrier if they’re unsure about the lock status.
Plus, users should ensure their phone supports the appropriate frequency bands used in Japan.
If their current device isn’t compatible, they should consider renting a compatible phone from the SIM card provider.
Pickup Locations

Customers can pick up the Japan Unlimited Data SIM Card at their hotel, the post office at the airport, or the Harajuku Tourist Information Center.
For airports other than Haneda, Narita, New Chitose, or Centrair, pickup is only possible from post offices during open hours.
Customers should inform their name as it appears on their passport for airport pickup. This ensures a smooth pickup process.
The available pickup locations provide convenient options for travelers, allowing them to easily access their SIM card at the start of their trip.
With these pickup choices, customers can obtain their SIM card and begin enjoying the benefits of unlimited data in Japan.
Delivery Timeline

Delivery service is available for hotels or homes, though Airbnb or guest houses require pickup from a shop or post office.
Delivery to locations outside Tokyo may take more than 2 days, necessitating advance reservation.
The delivery timeline for the Japan Unlimited Data SIM Card includes:
- Delivery within Tokyo typically takes 1-2 days.
- Delivery to locations outside of Tokyo may take 3 or more days.
- Advance reservation is required for deliveries outside of Tokyo to ensure timely arrival.
- Airbnb and guest house customers must pick up their SIM card from a designated shop or post office.
Customers should plan accordingly and make their reservations well in advance to ensure the SIM card arrives in time for their trip.
Frequently Asked Questions
Can I Use the SIM Card With My Smartwatch or Tablet?
Yes, the SIM card can be used with a smartwatch or tablet, as it is a data-only SIM that provides unlimited data access. However, the connection may slow down if more than 3GB are used.
Is the SIM Card Compatible With Esim-Enabled Devices?
The SIM card is compatible with eSIM-enabled devices. Customers can use the SIM card with their smartphones, tablets, or other eSIM-compatible devices to access the unlimited data plan during their travels.
The SIM card can’t be shared across multiple devices. It’s designed for single-device use, as the unlimited data allowance is tied to the specific SIM card. Attempting to use it on another device would likely result in reduced speeds or service disruption.
Is There a Way to Top up the Data if I Run Out?
The SIM card data can’t be topped up once it’s used up. However, users can purchase additional data plans or switch to a new SIM card if they need more data during their trip. The options for extending data depend on the specific SIM card plan.
What Is the Process for Activating the SIM Card?
The process for activating the SIM card typically involves inserting it into the device, then following the on-screen instructions to complete the setup. This may include entering an activation code or connecting to a network.
Recap
The Japan Unlimited Data SIM Card offers hassle-free internet access with unlimited data usage, though the connection may slow down after 3GB of consumption.
It’s perfect for uninterrupted online access during your visit, with convenient pickup and delivery options.
Customers should ensure their device is SIM lock-free and compatible with Japan’s frequency bands before reserving the SIM card to avoid any issues.
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