Why can Apple's mobile phone only receive the news of China's peace?

If your Apple phone can't receive SMS, please try to complete the following steps first:

Restart iPhone, iPad, or iPod touch.

Check the network connection. Want to? To send information in the form of iMessage or MMS, you need to use cellular mobile data or? Wi-Fi？ Connect. To send SMS, you need to use a cellular mobile network connection. If you open it? Wi-Fi call function, you can send short messages through Wi-Fi.

Please ask your operator whether the type of information you are trying to send (such as MMS or SMS) is supported.

If you are trying to send a group multimedia message on the iPhone, go to settings > messages, and then turn on "send and receive multimedia messages". If you don't see the option to turn on "Send and Receive MMS" or "Group Info" on the iPhone, your operator may not support this feature.

Make sure you enter the correct contact phone number or email address.

If you see the red exclamation point,

If you try to send a message and see it? And "non-delivery" warning, please follow the following steps:

Check the network connection.

Is it easy? , and then click Retry.

If you still can't send a message, please gently? , and then click "Send by SMS". This may lead to SMS charges. Please contact your operator for more information.

If you see a green information bubble,

If you see a green (not blue) message bubble, it means that this message was sent by SMS/MMS (not iMessage). There may be many reasons for this:

The recipient of this message does not have an Apple device.

IMessage on your device or the recipient's device is turned off. To check whether your device has iMessage turned on, go to Settings > Messages > iMessage.

IMessage on your device or the recipient's device is temporarily unavailable.

Do you understand? The difference between iMessage and MMS/SMS. ?

If you receive information on one device but not on another.

If you have an iPhone and another iOS device (such as an iPad), your iMessage settings may be set to use your Apple ID instead of your phone number to receive and send messages. To see if your phone number is set to send and receive messages, go to settings > messages, and then tap send and receive.

If you can't see your phone number, you can associate your iPhone number with your Apple ID, so you can use your phone number to send and receive iMessage. You can also set up message forwarding to send and receive MMS and SMS messages on all Apple devices.

If you don't have an iPhone, you can only use iMessage to send and receive information to other Apple devices through your Apple ID. To use iMessage, go to settings > messages > send and receive, and make sure you're signed in with an Apple ID. ?

If you encounter problems related to group information

If you have joined the group information conversation, but can't receive the information, please check whether you have left the related conversation. Open Messages, and then tap the corresponding group information conversation. If you see the message "You have left the conversation", it means that you have left the conversation, or you have been deleted from the group information conversation by others. Only when someone in the group adds you can you rejoin the group information conversation.

You can also start a new group information conversation. The specific operation is as follows:

Open Messages and tap? .

Enter the phone number or email address of the contact.

Write a new message and then gently? Send.

If you encounter other problems related to group information, you may need to delete related conversations and start a new one. To delete the group information dialog, please follow these steps:

Open Messages and find the conversation you want to delete.

Slide left in this conversation.

Click Delete. ?