Tianjin Digital Epidemic Prevention app cannot receive the verification code.

Does the subject want to ask "What is the reason why Tianjin Digital Epidemic Prevention app can't receive the verification code"?

1. Check whether the mobile phone number is filled in correctly. The mobile phone number is wrong, and the verification code cannot be received;

2. Has this number been handled with number portability service? If so, the mobile phone number can be fed back to the convenience service hotline for processing, and the operator will solve it within 2 days.