How does Apple refuse other people's short messages?

The method of rejecting SMS by Apple mobile phone;

Method 1: Click mobile phone settings to enter the settings page; Slide down to find information; Click enter information, slide down to find "filter unknown contacts", and turn off the switch at the back, then the message prompts of non-contacts will be closed and classified separately, which can be viewed in "filter information" in the message.

Method 2: Open the received spam message and click the "I" button above; You can also block text messages by choosing to block incoming calls.

Method 3: Click mobile phone settings to enter the settings page; Slide down to find information; Click enter information, continue to click iMessage information, and uncheck the box to receive it.

Method 4: Call the operator's customer service phone and turn off the SMS function directly.

IMessage is an instant messaging software launched by Apple, which can send short messages, videos and so on. With iMessage, you can send and receive messages with any Mac user who uses iPad, iPhone, iPodtouch or MountainLion, as well as send photos, videos, location information and contact information.