How to turn off iMessage SMS and how to block iMessage SMS on iPhone6

Step 1: Click the iPhone6 desktop to enter the settings, as shown in the figure below.

Step 2: Then enter the information setting, as shown in the figure below.

Part III: In the information setting, we can turn off iMessage by turning off iMessage function, as shown in the following figure.

Closing method

Second, the method of shielding iMessage messages by iPhone6

What if we just want some junk iMessage messages and don't want to turn off iMessage?

Step 1: First, you must open iMessage, and then enter the sending and receiving settings in the information settings, as shown below.

Step 2: Only check the mobile phone number in "I can contact you through iMessage", and do not check any other email address, as shown below.

After these two steps, iMessage spam messages sent by other spam mailboxes will be blocked, thus achieving our desired purpose.