Apple SMS has unread information but can't see it.

The solution of this brand of SMS with unread information but invisible is as follows:

1. According to the query of Apple's system network, to restart the phone, just press and hold the power button of the phone, and then slide the "power off" button on the screen. After the phone is completely turned off, press the power button again to turn it on.

2. Check the SMS settings: find the "SMS filtering" option and make sure to turn it off; Locate the Show Preview option and make sure it is turned on; Locate the SMS notification option and make sure it is turned on.