Samsung Galaxy Note9 - Restart in Safe Mode
Restarting your Galaxy Note9 in Safe Mode puts it into a diagnostic state that only runs system apps so you can determine if a third-party app is causing freezing or slowness.
- Press and hold thePower buttonon the right edge of the phone until the 'Power off' prompt appears on the screen then release.An alternate method is available if the device is unresponsive or won't power on.
- Touch and holdPower offuntil the 'Safe mode' prompt appears then release.
- To confirm, tapSafe mode.This process may take up to 45 seconds to complete.Upon reboot, 'Safe mode' appears in the lower-left of the unlock / Home screen.
- With Safe Mode enabled, ensure Airplane Mode is turned off then test device and app functionality.