The mobile phone has a black screen and only displays the notification bar, so it can't be pulled down.

If Samsung mobile phone displays a black screen, there are many reasons, such as system problems and software conflicts. The damaged screen will be displayed as a black screen, and it is suggested to take the following steps to investigate and deal with it:

1. Press and hold the power button and the volume down button at the same time for more than 7 seconds, and then try to turn the machine on and off again.

2. Connect the charger to see if there is a charging display. If there is a charging prompt, you can charge for a while before restarting.

3. If the phone can still run after restarting or charging, uninstall the third-party plug-in program running before the black screen.

4. Back up mobile phone data (phone book, SMS, multimedia files, etc.). ) and restore the factory settings.

If the problem still exists, please bring the purchase invoice, maintenance card and machine to the service center, and the engineer will check and deal with the machine.