Approval of registrations usually takes 1 to 3 working days depending on the volume of new registrations. If no confirmation has been received after 3 days, go to "Customer Support" and check whether or not you received a notice regarding the need to redo the registration process.
While waiting for approval, please do not create an account again.
In the Smiles app,
To register with Smiles, you will need:
Yes, you may register even without a Japanese phone number. If you do not have one, you may input a zero (0).