About documentation requirements to apply for FLEX MOBILE:
- DATA: We require a valid Passport or a Residence card. Shipping address must be a valid private address within Japanese territory (hotel/hostel addresses are acceptable)
- CALL: We require a valid Residence Card valid at least 30 days. The shipping address must be up-to-date and the same as the printed one on your Residence Card. We will not support if having any loss due to changing the shipping address after sending the sim card.