Snail Mobile Card Why can't I send a text message?

Check whether the free card is activated. You need to buy a short message package when sending short messages, but there is no problem in receiving short messages. SMS verification code to see where it is, whether it supports snail mobile number segment.

The reasons why SMS can't be sent on the mobile phone may be that the signal of the mobile phone is poor, the mobile phone is in arrears, the number of the SMS center in the mobile phone is set incorrectly, and there is virus interference in the mobile phone.

check whether the signal on the mobile phone is stable when sending short messages. If the signal is not good, send short messages in a better place.

call the customer service hotline to check the phone bill on your mobile phone. Use anti-virus software to thoroughly kill viruses on the mobile phone, uninstall and delete suspicious software and files, and resend short messages after restarting the mobile phone.

go to the SMS settings in the mobile phone to check whether the number of the SMS center is set correctly, and call the customer service hotline to get it if you are not sure about the number of the SMS center.