Why can't Apple's mobile phone see the contents of previous text messages?

The spam message 1 has been serialized by the security software. You can enter the security software to check the intercepted spam message, and the second message is brought back to the spam message. What functions can some mobile phones have in it? The third message is set to be received and stored in the sIm card. Ah, it can be displayed. Try to clear the contents of the sim card. OPPO mobile phone is set to not display the content after receiving the message. First, click Notify in the settings of mobile phone screen content. Fourth.