Japanese version of iPhone6 au, you can't send SMS now, you can only receive it, but you can't send it out. See the tutorial to set the SMS center number.

iPhone can't send SMS. Troubleshooting:

1. Make sure the signal is normal and turn off the flight mode.

2. check whether the SIM card status is normal.

3. check whether the send key is displayed in bright color and clickable state.

4. if you can't click send after entering the text, the "send" key is still gray. Please turn off "Show Subject Bar" in Settings > SMS >.

5. If you send a text message to more than one person and enter the numbers manually, please make sure that you press line feed instead of space to separate each number.

6. If you can receive or not send SMS, after the above problems are eliminated, you can edit the SMS center number by internal command:

Set the SMS center number: dial *55*7672*+86 SMS center number # with iPhone;

to delete the SMS center number, dial ##55*7672# with the iPhone.

to inquire about the set SMS center number, dial *#55*7672# with iPhone.

when using the internal command, first use the delete command, and then set the SMS center number.