Thank you for choosing JP SMART SIM.

From April 1, 2026 (Wed.), we will begin supporting "JAPAN Roaming™" to ensure communication during emergencies such as large-scale disasters and communication failures.
Please see below for details.

[About JAPAN Roaming™]
JAPAN Roaming™ provides users with an emergency network via other mobile carriers when their contracted service is unavailable due to major disasters or outages. 
For details, please check the following URL:
https://www.tca.or.jp/information/japan-roaming.html

[Service Availability During Emergencies]
JP SMART SIM - CALL SIM customers will be offered service in “Emergency Calls Only” mode when Japan roaming is enabled.

■ Available
- Emergency calls (110 / 118 / 119)

■  Not available
- Voice calls (regular calls)
- SMS
- Data communication

【Notes】
- Device compatibility is required for use. Please check with your device carrier to see if your device is compatible.
- When using this service in an emergency, you will need to configure the network manually. 
For detailed configuration instructions, please see here: https://www.tca.or.jp/information/pdf/JPN-ROAM_A4.pdf
- Communication is not guaranteed as it depends on the equipment and control of domestic mobile phone carriers.