Air SIM Plan 01s/Plan01s Low Data Volume plan can be used with devices that are:
- SIM-free (unlocked) 3G/4G LTE devices
- Devices that support roaming
If you want to use Plan 01s/Plan 01s Low Data Volume plan in Japan, please also confirm that:
- Your device is compatible with the NTT docomo's network frequency bands
- Your device complies with Japanese Technical Regulations Conformity Certification