SIM and eSIM service terms
This English version is for reference. The Japanese version prevails.
Article 1. Service covered
These terms apply to our SIM and eSIM service. Matters not covered here follow the General service terms.
Article 2. ID verification
Voice contracts require identity verification by law.
Article 3. Looking after your SIM
You are responsible for your SIM or eSIM details. Tell us promptly if lost or stolen.
Article 4. Traffic limits
We may limit speed or volume, such as during network congestion.
Article 5. Number portability
Porting numbers in or out follows the procedure we specify.
Article 6. Emergency calls
Data-only contracts may not support emergency calls (such as 110 or 119).
Article 7. No transfer
You may not transfer or lend your SIM to others without our consent.
Established November 2, 2026
