Why can't Apple send text messages?

1/7 Apple phones can't send text messages. It may be that the SMS service center is not set or set incorrectly, which makes it impossible to send SMS. This situation is very common. If you don't get the correct number of the SMS center, you won't be able to send SMS.

2/7 Call the customer service phone of the local operator, ask the number of the SMS service center, and then set it. ?

4/7 If it doesn't work after setting, please try to restore the network settings.

5/7 still can't send SMS, please pull out the mobile phone card and insert it again, or try to send SMS with another mobile phone card. It's not good if you can't send a text message.

6/7 can't send text messages. Turn on the iPhone settings to see if the flight mode is turned off because the flight is turned on. ? 7/7 In addition, Apple's mobile phone can't send short messages, or it may be because the mobile phone is used to send messages or advertising short messages, which leads to the number being blocked by the operator to send messages. This situation can only be solved by contacting customer service.