| Data Usage Specifications | 500MB, 1GB, 2GB |
| Transmission Specifications | 4G |
| Signal Coverage Area | Japan |
| Mobile Carrier | KDDI/Docomo |
| Supported Sizes | eSIM |
| Hotspot Sharing | Available |
| Supported Frequencies(4G) | B1(2100 MHz) |
| Top-Up Availability | Top-up unavailable |
| Excludes | Voice calls, Texts |
| Not Supported | SIM-locked device, Carrier-customized device, Mobile hotspot |
| Network Type | Roaming |
| Mobile Virtual Network Operator (MVNO) | 中國南方電信(香港)有限公司 South China Telecommunications (H.K.) Limited |
If the phone has a card lock (such as purchased from the United States, Canada, Japan or the Philippines, etc.), please confirm with the local telecommunications provider where it was originally purchased that the phone has been unlocked (Country Lock)
After placing the order and completing the payment, the voucher will be sent within 28 days before departure. You will receive the eSIM letter and activation information. After receiving the eSIM, please install it before departure or after arriving at the destination to avoid activating it in advance and affecting your use. rights and interests
Before installing eSIM, please make sure to connect to WiFi or mobile network to scan the QRcode or enter it manually to join the mobile plan (if you need to enter it manually, please contact customer service to obtain the activation code)
Please be sure to save the QRcode. Once scanned, it will be bound. Please install according to the instructions. Do not jump out of the screen during the process to avoid misjudgment by the phone and causing the eSIM plan to be deleted.
After the same QRcode is bound, it can only be scanned again with the same mobile phone. It cannot be reissued or manually input to another mobile phone.
If the eSIM plan is not used completely or is deleted without the judgment of customer service staff, causing the plan to be abnormal, reissue and refund will not be possible.
Calculation method for the number of days of the daily traffic plan: 24-hour system (users purchase a 3-day Internet plan, install it and activate it at 10:00 am on 9/1, and this plan will terminate at 9:59 am on 9/4)
Using a Japan eSIM offers several conveniences for travelers. It eliminates the need to physically swap SIM cards, meaning you won't lose your original card or require a card ejection tool. Activation is often done instantly by scanning a QR code, providing quick 4G internet access without waiting for physical delivery. Additionally, eSIMs are environmentally friendly as they produce no physical waste, and they often provide stable network connectivity through major Japanese carriers like KDDI or Docomo.
To purchase a Japan eSIM, first ensure your device is eSIM-compatible. Then, you can conveniently purchase a Japan eSIM through KKday, which offers a seamless booking experience and a variety of flexible data plans tailored to your travel needs. After selecting your preferred data plan and duration, you will receive a QR code via email. Simply scan this QR code to activate the eSIM on your device before or upon arrival in Japan.
Yes, Japan eSIMs are widely available and specifically designed for international tourists visiting Japan. Many online providers offer various plans tailored to different travel durations and data needs. As long as your smartphone or device supports eSIM technology, you can easily purchase and activate a plan to stay connected throughout your trip.
Japan eSIMs typically offer flexible data plans designed to suit various travel durations, ranging from 3 to 15 days. Common daily high-speed data allowances include 500MB, 1GB, or 2GB. Once the daily high-speed limit is reached, data speeds usually slow down but remain accessible. Travelers can select a plan that best fits their expected daily usage for navigation, social media, messaging, and light browsing.
A Japan eSIM offers distinct advantages over a physical SIM card. With an eSIM, there's no need to physically insert or remove a card, reducing the risk of losing your home SIM. Activation is simpler, often just by scanning a QR code, and you can switch between multiple eSIM profiles. A physical SIM requires a slot in your phone and involves card swapping, which can be inconvenient for travelers who wish to keep their original SIM.
A Japan eSIM is integrated directly into your smartphone, using your phone's battery and eliminating the need for an additional device. It provides personal internet access. A Pocket Wi-Fi, on the other hand, is a separate, portable device that creates a Wi-Fi hotspot, allowing multiple devices to connect. It requires separate charging and must be picked up and returned, adding an extra item to carry.
Japan eSIMs commonly utilize the robust networks of major Japanese telecommunications companies such as KDDI and Docomo. These carriers are renowned for their extensive 4G LTE coverage and stable signal quality across various regions of Japan, ensuring reliable internet access whether you are in bustling cities or more remote areas during your travels.
After purchasing a Japan eSIM, you will typically receive an email containing a QR code. To activate, ensure your device is connected to Wi-Fi. Go to your phone's settings, select 'Cellular' or 'Mobile Data,' and choose to 'Add eSIM' or 'Add Data Plan.' Then, scan the provided QR code. Follow the on-screen prompts to label your new eSIM line and enable data roaming for that line when you are in Japan. Your eSIM should then be ready to use.