Please ensure you have reviewed the following terms and conditions before submitting your application.
Please proceed only after you have fully understood the contents.
Basic Services: Data, Voice Calls, and SMS Messaging
■ Service Details
This service provides mobile data, voice calling, and SMS (Short Message Service) using a Japanese phone number.
High-speed internet for web browsing, video streaming, and social media.
Supports making and receiving calls using 070, 080, or 090 prefixes.
Send and receive text messages using your mobile number.
■ Important Notes Regarding Service Fees
- The monthly fee includes data usage only.
- Incoming domestic voice calls and domestic SMS are free of charge.
- Charges apply to outgoing voice calls and SMS messages, which will be billed three months after the month in which the service was used.
- Call service (domestic) and SMS service (domestic or international) will be separately calculated and billed based on your actual usage.
| Item | Fees | Remarks |
|---|---|---|
| Monthly Fee | As specified in the plan | Data communication only |
| Domestic Voice Calls | 23 JPY / 30 sec | Usage-based charges apply. |
| SMS | Domestic: From 5 JPY Intl: From 150 JPY |
Fees vary by character count |
For details on domestic/international SMS services and usage fees excluded from flat-rate plans, please visit:
⇒ https://www.sunrise-net.ne.jp/contact_listeng/eng_ffna.html
※ If payment fails (expired card, limit exceeded, etc.), service may be suspended or cancelled.
※ To update card information, please contact Customer Support.
Service Restrictions
Understanding the Differences: Physical SIM vs. eSIM
| Item | Physical SIM | eSIM |
|---|---|---|
| Form Factor | A physical IC card inserted into the device | A built-in, programmable chip inside the device |
| Delivery & Pickup (After payment) |
Remote Registration: Delivered to your address (Shipping fee: 550 yen) *Delivery typically takes 2-3 business days. On-site Registration: Received immediately |
Remote Registration: Sent via email *Please check your Spam/Junk folder if not received. On-site Registration: Received immediately |
| Device Change | Simply swap the SIM card to a new device | Requires re-issuance of a new QR code |
■ eSIM Important Notes
eSIM provides high flexibility; however, it is subject to certain critical restrictions. Ensure you have read and understood these terms prior to applying.
2. Managing the eSIM Profile (QR Code)
We will provide you with a QR code to install your eSIM. Please note the following:
- ❌ Valid for Single Use Only: This QR code can be used only once.
- ❌ No Re-installation/Transfer: Once installed, the code cannot be used again on any device.
Network Quality and Data Communication
■ Connection Speed and Service Area
● Best Effort Service
This service is provided on a "best-effort" basis. Actual communication speeds may vary depending on your location, the time of day, and network congestion.
● Bandwidth Control for Network Congestion Avoidance
To ensure fair communication quality for all customers, bandwidth control (speed restriction) will be implemented during the following peak hours:
Restricted Hours: 12:00 PM – 1:00 PM / 4:00 PM – 12:00 AM (Midnight)
■ Regarding the Tethering Function
The Sun-Net SIM does not support the tethering function (Personal Hotspot) for sharing data with other devices.
■ Data Limit and Speed Throttling
If you exceed your monthly data allowance, your connection speed will be limited to a maximum of 128kbps.
- Service during restriction: While you can still send and receive text messages, this speed is not suitable for watching videos or browsing image-heavy websites.
- Restoration: Your normal data speed will be automatically restored on the 1st day of the following month.
■ Data Capacity Management and Plan Changes
- Data Rollover: Unused data cannot be carried over to the next month. Any remaining data at the end of the month will expire.
- Plan Changes and Data Top-up: Please be advised that monthly data plan changes and additional data top-ups are currently unavailable.
Handling of Overdue Payments
Please be advised that failure to confirm payment will result in service suspension or contract termination.
■ Late Payment Fees and Service Suspension
If payment is not confirmed by the due date, a late payment fee (prescribed by our company) will be charged. Furthermore, if the non-payment status continues for a certain period, we may temporarily suspend all or part of your SIM services.
■ Service Restoration
To restore suspended services, all of the following conditions must be met:
※ After payment is confirmed, it may take approximately 1 to 3 business days for the service to be restored.
■ Regarding Contract Termination
If you fail to respond or take action within the specified deadline regarding our payment reminders, or if it is determined that there is no intent to pay, we may be forced to carry out a contract termination.
Important consequences of termination:
- You are required to settle all outstanding balances even after termination.
- The terminated SIM card cannot be restored.
- Continuing service requires a new SIM application, which will result in a change to your phone number.
Procedures for Continuing Service (Contract Extension)
This service does not renew automatically. Upon the expiration of your contract period, the service will be automatically terminated (cancelled).
If you wish to continue using the service, please ensure you complete the contract extension procedures within the specified deadline.
■ How to Apply for a Contract Extension
If you wish to extend your service, please complete the contract extension procedures via our official website at least one month before your contract expires.
■ Important Notes Regarding Non-Renewal
If we cannot confirm your contract extension within the specified period, your current SIM card will become completely unusable after the contract expiration date.
If you wish to use the service again after termination, it will be treated as a "New Application" with the following conditions:
- New Administrative Fee: A separate SIM card issuance fee of ¥3,300 (including tax) will be charged.
*An additional shipping fee applies for physical SIM delivery. - Phone Number Change: You will not be able to keep your current phone number. A new number will be assigned.
- SIM Delivery Lead Time: There will be a period of several days without communication service while the new SIM is being processed and delivered.
Restoring service after contract expiration is processed as a "New Contract" for administrative purposes. It is strictly impossible to transfer or carry over any previous usage data or settings.
Please ensure that you complete the contract extension procedures within the specified deadline to avoid service interruption.
Procedures for Continuing Service (Contract Extension)
■ Cancellation Procedures
The contract will automatically terminate at the end of your original subscription period. No cancellation procedures are required, and no cancellation fees will be charged.
If you wish to cancel before the end of your contract, please complete the process via our official website at least one month prior to your desired cancellation month.
■ Regarding the Initial Contract Cancellation
You may cancel this contract in writing within 8 days, starting from the day you receive the contract documents (Opening of Service Notice).
- Cancellation Fees: If you cancel within the 8-day period, no contract termination penalties (such as cancellation administrative fees) will be charged.
- Customer Responsibilities: You are still responsible for and must pay the following fees incurred up to the date of cancellation:
- Service usage fees (data communication, voice calls, etc.)
- Initial fee
After reviewing and agreeing to all the terms mentioned above,
Please scan the QR code printed on your flyer
to proceed with the application process.
Thank you for choosing Sun-Net SIM service.