Why can't vivoy67 text messages be read?

Reasons for not receiving SMS:

1. Too much information, not enough memory. It is recommended to delete redundancy.

2. Long-term standby of the mobile phone will affect acceptance, so it is recommended to turn it off;

3. Whether similar information housekeeper software is installed on the mobile phone, resulting in information shielding;

4. The local SMS gateway is busy and affects the reception;

5. The smart phone has the function of shielding strange short messages;

6. Improper application cleaning.

The biggest possibility is that the application is not properly cleaned, resulting in the inability to receive SMS.