IPhone can't send text messages, and the previous iPhone can't send messages after it stops working. Now I have changed my mobile phone or Apple, but I still can't send a message.

Mobile phones can only receive short messages, not send short messages. Generally speaking, the number of the short message center is wrong. The suggested solutions are as follows:

1. Check whether the phone bill is sufficient.

2. The attempt to move the position may be related to the signal of the position.

3. Check whether the information center number is entered correctly: information-menu key-settings-SMS settings-information center-set the information center number (please consult customer service 10086 for the information center number). Please have a look at whether to set up a blacklist. Settings-Click Call/Message Blocking-Click Message Blocking to select the number and phrase to block registration-Click Message Blocking List to delete the number inside.

5. Whether to set the upper limit of SMS reception, it is recommended to turn it off.

6. Whether the third-party communication software is installed or not, you may receive a short message, so it is recommended to uninstall it.

7. Try another SIM card, shut down and restart observation.

8. Back up important data and restore factory settings.