Why does Apple's SMS display superscript, but I can't see it when I click in?

1. It may be that spam messages were intercepted by security software. Users can access the security software to view the intercepted spam messages.

2. In the spam messages of classified information, some mobile phones have the function of dustbin, which can be queried.

3, the bug of Apple's mobile phone system, this can update the system and try to fix it.

4. It may be that the short messages on other mobile phones are set to be received and stored in the SIM card. Try to clear the SMS in the SIM card first.