What's the reason why the SMS can't be sent out and the phone can't get through?

The common reasons why mobile phones can't answer calls and their solutions are as follows:

1 Check whether the mobile phone is in arrears, and suggest paying for recharging;

2. Check whether the mobile phone is set with call forwarding, flight mode on and call barring. Suggest canceling and try again;

3 Check whether the function or signal of the mobile phone is normal. It is recommended to change your mobile phone or location and try again.

4. If roaming to other places can't be used, it is recommended to check whether the local network signal is normal and whether roaming permission is enabled for this number;

5 try to restart or change your mobile phone to see if you can answer the phone;

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

The processing method that the mobile phone cannot send short messages is as follows:

1. Suggest changing your mobile phone to see if you can send and receive short messages.

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

3. If not, it is recommended to check whether it is a sim card problem.

4. Check whether the number of SMS center is set correctly.

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