If you have not received the SMS with the authentication code for two-factor authentication, it may be due to any of the following reasons.
-
If the SMS is blocked
It may be due to the SMS block setting. -
If you have set up “security settings,” etc.
Depending on your “security settings” or “forwarding settings,” emails may be sorted into the spam folder or may not be received at all. -
If the communication environment is poor
Have the authentication code sent again after checking your communication environment.
* You can have it sent again after improving the communication state by turning the “Airplane mode” on once and then turning it off, or by rebooting the terminal. -
If the storage capacity is insufficient
You cannot receive SMS when the storage capacity of your mobile phone is insufficient.
Have the authentication code sent again after deleting unnecessary data.
Please contact your mobile carrier for various confirmation and setting methods.
Note that you can login from “Enter recovery code” if you have kept the “recovery codes” issued when you set up two-factor authentication.
<Related questions>
Q. How do I have the authentication code sent again for two-factor authentication sent via email or SMS?
Q. I have not received the email with the authentication code for two-factor authentication
Q. What is a recovery code?