Restart in Safe Mode - Samsung Galaxy S9 / S9+

Safe Mode puts your phone in a diagnostic state (returned to default settings) so you can determine if a third-party app is causing your device to freeze, reset or run slow.

An alternate method is available if the device is unresponsive or won't power on.

  1. Press and hold the Power button until the Power off prompt appears then release.
    Power button
  2. Touch and hold Power off until the Safe mode prompt appears then release.
  3. To confirm, tap Safe mode.
    Note The process may take up to 30 seconds to complete.
    Note Upon reboot, "Safe mode" appears in the lower-left of the unlock/home screen.
  4. With Safe Mode enabled, test device and app functionality.

Related Topic: Video camera icon Using Safe Mode

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