Vivo s9 is blank when viewing the short message.

Maybe it's time to check the mobile phone card.

Solution: 1 Click on the mobile phone status bar to speed up (one-click cleaning) or enter the program management on the desktop to close the background program, clear the cache file, increase the available memory, and avoid insufficient memory. 2. Try to restart the phone, open the notification bar, clean the background program with one click, and then reopen it.

If the vivo phone can't see the content after receiving the SMS, you just need to add the SMS to the software lock. In the settings of mobile phone-status bar and notification-find SMS, and turn off the lock screen to display the message details. Operating steps: 1. Find I housekeeper to enter on the mobile phone desktop. 2, enter I housekeeper to find software management. 3. Enter the software management to find the software lock. 4. Add SMS to the software lock.