Why can't iphone6splus send messages or sometimes send six messages?

This is a sign that the mobile phone signal was weak at that time;

The first does not show that it has been sent, but it has actually been sent;

At this time, you clicked, which caused the phenomenon of sending many articles at once.

IPhone6Plus can't send text messages Solution summary:

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.

5. If you send text messages to multiple people and manually enter numbers, please make sure to use line breaks instead of spaces to separate each number.

6. If you can receive but can't send short messages, you can edit the number of short message center through internal command after eliminating the above problems.

Set SMS center number: dial *5005*7672*+86 SMS center number with iPhone #.

Delete SMS center number: dial ##5005*7672# with iPhone.

Inquire about the set SMS center number: dial *#5005*7672# with iPhone.

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