Processing method of mobile phone unable to send short message

Mobile phones can't send text messages as follows.

Replacement of mobile phone

You can change your mobile phone and see if you can send and receive text messages.

Reinsert the card

If you can send and receive short messages, I suggest you plug the card back into your mobile phone and send yourself a short message to see if you can receive it.

Check sim card

If not, I suggest you check whether there is a problem with the sim card;

Check the SMS center number

Check whether the number of the SMS center is set correctly;

Go to the business hall to check

Bring your mobile phone card to the local business hall for testing or replacement.