How to deal with the unsuccessful number setting of Apple SMS Center?

1, confirm that the signal is normal and close 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.

4. If you can't click Send after entering the text, the "Send" key is still gray. Please turn it off in SMS settings.

"Show Subject Bar"

5. If you send SMS to multiple people and manually enter the number, please make sure to separate each person by pressing a line break instead of a space.

Number.

6. If you can receive or send short messages, after eliminating the above problems, you can edit the number of the short message center through internal commands:

Inquiry method: dial *#5005*7672# with iPhone.

Setting method: dial * 5005 * 7672 *+86 "SIM card home SMS center number" with iPhone #

Delete method: dial ##5005*7672# with iPhone.