Why did sending zc46 SMS fail?

Zc SMS sent during WeChat registration always prompts that the verification code has not been received, which is caused by SMS interception error. The solution is as follows:

1. On the phone desktop, click the "SMS" icon below.

2. In the "Notification" interface, click the button at the top right.

3. Click the button in the upper right corner, and then select the "Settings" option in the expanded list.

4. In the "Settings" interface, select the "Harassment Interception" option.

5. In the "Harassment Interception" interface, click the "SMS" menu item above to see if there is any record of SMS interception.

6. Return to the "Settings" interface and select the "SMS Center" option.

7. In the "SMS Center" interface box, fill in the SMS Center number again, and click the "OK" button below. If you don't know the SMS center number, you can call the operator's customer service.