Ai Linghai verification code can't be sent

Ailinghai verification code can't be sent. The solution is as follows:

1, restart the network. It may be that network delay or server communication delay makes it impossible to receive short messages. You can try to switch flight modes. Re-trigger sending short messages under the network.

2. It is a mobile card, and the enhanced information function is enabled. Please use ordinary SMS instead. Please switch the enhanced information to the general information interface: in the enhanced information single chat interface. Click the three points in the upper right corner > switch to SMS/MMS.

3. Check whether the number is set as a blacklist. You can check whether the interception of strange short messages is set and whether the number is in the harassment interception blacklist. If there is. Please turn off the function of intercepting strange short messages and remove the number from the blacklist if necessary.

4. Enter the developer options to check the relevant settings. Please go to Settings > System and Updates > Developer Options > Applications. Turn off the inactive switch. And set the background process limit to the standard limit.

5. Set the information application attached to the system as the default application.

6. Check whether to save the number to the privacy space.

7. Restore the default settings.

8. Check whether the SIM card can be inserted into other mobile phones to receive the verification code.