【20%OFF】Japan eSIM | Japan eSIM with Unlimited High-speed Data
The network is provided by Japanese telecommunications companies KDDI/Softbank/Docomo. Just scan and install it before departure, and you can enjoy unlimited local traffic data when you arrive!
- At a great price, you can experience stable and high-speed unlimited data eSIM in Japan
- Scan and install easily! After receiving the voucher, there is no need to run back and forth to collect the physical card or wait for physical delivery.
- Enjoy fast and reliable roaming data networks in Japan
- There is no need to change the SIM card. Install it before departure and use it immediately upon arrival, without any worries.
Package Options
Product Info
The content of this product is provided by machine translation and may not reflect the actual information, please take this into consideration before booking.
- Introduction to eSIM
eSIM (Embedded-SIM), also known as "embedded SIM card" or "virtual SIM card". Unlike traditional network cards, which are removable and need to be inserted into the card slot of the mobile device to use them, eSIM adopts a "virtual" form. Users only need to scan the exclusive QR Code to set up, and the card can be directly implanted into the mobile phone. , you can download the traffic plan to your phone without inserting another physical card.
【eSIM Specifications】
1. Data: 4G LTE Data 1GB/day + throttled to 5mbps (unlimited data) once 1GB is reached.
2. Voice calls & SMS: Not available
3. Plans: 1 / 3 / 5 / 7 天
4. Validity: Based on days, eSIM activates instantly when data roaming is on / Activation Time ~ JST 01:00 a.m. = 1 day.
** Please make sure you have switched off data roaming on the eSIM. Otherwise, it will be started once it is connected to the roaming network**
5. Activation due date: eSIM should be activated within 30 days upon booking.
6. Hotspot / Tethering: Not Available
How to confirm whether the mobile phone can use eSIM
eSIM setup method
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SIM Card Specifications
| Data Usage Specifications | Unlimited data, 1GB |
| Transmission Specifications | 4G |
| Signal Coverage Area | Japan |
| Mobile Carrier | KDDI/Softbank/Docomo |
| Supported Sizes | eSIM |
| Hotspot Sharing | Unavailable |
| Supported Frequencies(4G) | B3（1800 MHz） |
| Top-Up Availability | Top-up unavailable |
| Excludes | Voice calls, Texts |
| Not Supported | SIM-locked device, Carrier-customized device, Mobile hotspot |
| Reminders | Before purchasing, you must first confirm whether the mobile phone supports installation of eSIM; if you find that the mobile phone does not support installation after purchase, no refund will be given. |
Purchase Notice
- There are different versions of same phone models launched in each country; You MUST confirm that your device support eSIM
- eSIM QR code is non-refundable or cancelled upon issuance.
- Exchange or refund of the eSIM QR code is not possible if it is not used after the due date.
- A voucher with the eSIM QR code will be sent to your email within 24 hours of booking.
- Please make sure you have switched off data roaming on the eSIM. Otherwise, it will be started once it is connected to the roaming network
- The internet speed may be affected by the location. Therefore, minimum internet speed cannot be guaranteed. Please make sure to confirm before placing an order
- Excessive data usage can result in reduced internet speed or potential service disruption
- If the device is purchased from the United States, Canada, Japan, or the Philippines, please confirm with the local carrier that the mobile phone has been unlocked (Country Lock)
【FAQ】
Q1 : Can I cancel or get a refund for the eSIM?
A : No. The eSIM is non-refundable upon issuance, as it has included all information and can be used upon installation.
Q2 : Can I use the same eSIM on multiple devices?
A : No. One eSIM QR Code can be used on 1 device only. You are not allowed to scan the same QR code with 2 different devices.
Q3 : “Activating” or “Unable to activate eSIM” shows during the installation. What should I do?
A : If you are stuck activating on your device. This usually happens when you have installed an eSIM but haven’t yet arrived at your destination country/region. Please reconfirm the eSIM has been successfully installed. If it doesn’t, please reach to our customer service center.
Q4 : Will the network speed at 5mbps be very slow?
A : Even with the speed of 5mbps, you can still use GPS, Youtube, Messengers etc. smoothly. However, please note that internet connectivity may be slower in subway areas or crowded locations occasionally.
Q5 : What should I do if I have deleted the eSIM?
A : Unfortunately, the eSIM in not available to restore.
Q6 : What should I do if the eSIM is not working?
A : Please reach to our customer service center immediately and DO NOT remove the eSIM.
Q7 : Can I use the eSIM and a physical SIM together?
A : Yes. But please make sure that you have connected the correct eSIM / SIM card on data and voice calls respectively. (e.g. Data = using our eSIM / Voice = Primary SIM card) Additional roaming charges may occur based on your usage and your primary phone service carrier’s policy.
Q8 : Can I buy multiple eSIMs and use them continuously?
A : The eSIM may activated once if you have installed it. Please install the new eSIM after the current one expires.
Includes/Excludes
Reminders
This eSIM is providing unlimited Japan 4G/LTE data only. Voice calls & SMS services are not available.
The calculation method for this product is based on 1:00 a.m. Japan time (GMT+9). (Example: Starting at 22:00 in the evening, one day will be counted until 1:00 in the morning the next day)
Please make sure you have switched off data roaming on the eSIM. Otherwise, it will be started once it is connected to the roaming network.
eSIM QR code is non-refundable or cancelled upon issuance.
The eSIM QR code should be activated within 30 days of booking.
eSIM is not available to restore, refund, or exchange upon removal.
Please print out the eSIM QR code in advance for installation. DO NOT save the QR code inside the phone that is going to install the eSIM.
One eSIM QR code can be used on 1 device only. You are not allowed to scan the same QR code on 2 different devices.
Please make sure to switch off the data roaming service on your own SIM card. Surcharges may occur if you switch it on.
To avoid international roaming charges, blocking the roaming service with your own service provider before your trip is suggested.
If the eSIM is damaged or you are facing any difficulties during installation or usage, please reach out to our customer service center immediately for a refund during your trip. The eSIM is non-refundable once you have returned to your own country.
Excessive data usage can result in reduced internet speed or a potential service disruption.
Coverage and data speed may vary depending on the network congestion at your destination.
Additional compensation such as roaming costs, overseas SIM card purchase costs, or transportation costs is not provided.
How to Use
【Setup Method – iPhone】
1. Settings > Cellular > Cellular Data > Switch off Data Roaming(Please print out the eSIM QR code in advance for installation.)
2. Open Camera > Scan eSIM QR Code > Click 'Cellular Plan' (Yellow Bubble)
3. Press“Continue” > Please feel free to set the label of the eSIM(e.g. Travel)
4. Setup before landing: Default Line, iMessage & Facetime, Cellular Data – Choose Primary SIM
5. Please make sure you have switched off data roaming on the eSIM. Otherwise, it will be started once it is connected to the roaming network.
6. Upon arrival: Settings > Cellular > Cellular Data > – Choose 'Travel' (the eSIM) > continue to step 8
7. Setup upon arrival: Default Line, iMessage & Facetime - Choose Primary SIM; Cellular Data – Choose ‘Travel’ (the eSIM)
8. Switch on the data roaming service on the eSIM > Switch on & off 6-7 times until 4G or LTE shows.
【Setup Method – Android】
1. Please turn off data roaming before installation. (Please print out the eSIM QR code in advance for installation.)
2. Open Camera > Scan eSIM QR Code > Click 'Add Plan to Phone' (Yellow Bubble)
3. Setup before landing: Please make sure you have switched off data roaming on the eSIM. Otherwise, it will be started once it is connected to the roaming network.
4. Switch OFF the eSIM after setup > Continue to Step 6 upon arrival.
5. Setup upon arrival: (SIM Management) eSIM ON > Tab 'Mobile Data' > Choose eSIM and apply
6. Switch on the data roaming service on the eSIM > Switch on & off 6-7 times until 4G or LTE shows.
Cancellation Policy
- Once the order has been completed, it cannot be canceled, modified, or refunded
- Due to time zone differences, the confirmed cancellation date is based on the supplier’s local time. Please allow 2–5 business days to process your cancellation request, after which the cancellation fee will be charged according to the product’s cancellation policy. Once the cancellation is confirmed, you will receive your refund within 14 working days.
FAQ
Yes, a Japan eSIM is an excellent option for travelers. It offers stable, high-speed unlimited data through major Japanese telecommunication providers like KDDI, Softbank, and Docomo. Travelers can scan a QR code to set it up before departure, eliminating the need for physical SIM card changes, ejection pins, or worrying about losing a card. It's ready to use immediately upon arrival for seamless internet access.
Travelers can easily purchase a Japan eSIM through KKday. After placing the order, you receive a digital voucher instantly. There's no need for physical collection or delivery. You simply scan a QR code from the voucher to set up the eSIM on your device. This streamlined process on KKday ensures quick activation and convenient access to unlimited high-speed data, making your trip planning simpler and more efficient.
Yes, eSIMs are widely available and specifically designed to meet the needs of tourists visiting Japan. These digital SIMs provide local data network access from major carriers, allowing visitors to enjoy high-speed internet without the need for a local phone number or a physical SIM card. They offer a convenient solution for staying connected while exploring Japan.
Typically, a Japan eSIM for travelers provides data-only services, optimized for internet access. This means you can use it for browsing, navigation, social media, and messaging apps. Traditional call and SMS functions are usually not included, but you can use internet-based calling and messaging apps like WhatsApp or Line over the data connection.
Potential drawbacks include device compatibility, as not all phones support eSIM technology. Also, if your phone runs out of battery, you lose connectivity. Some users might find the initial QR code setup unfamiliar compared to inserting a physical SIM. Additionally, most travel eSIMs offer data-only services, so you won't have a local Japanese phone number for calls or traditional SMS.
A Japan eSIM data plan operates by downloading a digital SIM profile to your compatible device, typically by scanning a QR code provided after purchase. This profile connects your device to local Japanese telecommunication networks like KDDI, Softbank, or Docomo. Once installed, your device will automatically connect to a high-speed data network upon arrival in Japan, providing seamless internet access for the duration of your plan.
To ensure stable and high-speed internet with a Japan eSIM, travelers should choose a provider that partners with major local telecommunication companies such as KDDI, Softbank, or Docomo. Look for eSIM plans offering unlimited high-speed data to avoid throttling. Ensure your device is eSIM compatible and set up the profile correctly before departure. This preparation guarantees reliable internet access throughout your trip in Japan.
A Japan eSIM is a digital SIM embedded directly into your phone, whereas a traditional physical SIM card is a small, removable chip. The key difference for travelers is convenience: an eSIM is installed by scanning a QR code, eliminating the need to physically swap cards, use an ejection pin, or worry about losing the card. It allows for quick activation and seamless switching between plans, making it more flexible.
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