Turn off Xiaomi SMS delay display

Just turn off the notification in the settings.

First open the settings of Xiaomi's mobile phone, then open the notification in the settings, find the short message inside, and close this short message notification, so that there will be no short message delay reminder.

SMS: Text or digital information sent or received directly by users through mobile phones or other telecommunication terminals. The number of characters that users can receive and send short messages at a time is 160 English or numeric characters or 70 Chinese characters.