View this info if your Note9 is frozen or unresponsive.
This device has a non-removable battery. This process can be used to simulate a 'battery pull' when the device is frozen or unresponsive.
In most cases, a soft reset doesn't affect data on the device, unless the battery is very low.
Press and hold the Power and Volume Down buttons until the device powers off and the Boot Mode screen appears (approx. 15-20 seconds).
If the screen is on, the device may take a screenshot during this process. Continue to hold the buttons until the Boot Mode screen appears.
From the Maintenance Boot Mode screen, select Normal Boot.
Utilize the volume buttons to cycle through the available options and the lower left button (on the left edge; below the volume buttons) to select.
Espera hasta 90 segundos para que se complete el restablecimiento.