The mobile phone fails to receive SMS and voice verification code:

1. The mobile phone is equipped with interception software;
   
2. Network reception delay;
   
3. The mobile phone is turned off, temporarily without signal, overdue or shut down;
   
4. The user has set up a blacklist on the operator's side;
   
5. The mobile phone cannot receive SMS messages longer than 70 characters;
   
6. Mobile phones are used overseas or overseas mobile phones are used;
   
7. SMS storage is full;
   
8. Some regions have mobile phone network and operator failures.
   

If the verification code cannot be received, it is recommended to check according to the above conditions, and refer to the following solutions:
1. Remove the blocking of application software, or change a mobile phone;
2. Arrears and shuts down. It is generally recovered within 24 hours after payment. It is recommended that you change your mobile phone number or get it again the next day;
3. Contact the operator to cancel the blacklist;
4. If it is signal network delay, try to acquire it again later;
5. Restart your phone and try the operation again.