Dear Samsung Member,
Greetings from Samsung Customer Support!
Follow the bellow mentioned steps to resolve your issue:
1.Check device in safe mode: Power off the device > Press and hold the Power key for one or two seconds to turn on the device > When the Samsung logo appears, press and hold the Volume down key.
To exit safe mode: Restart your device.
2.Reset the device: Settings > General Management > Tap on Reset.
Note: Before reset make sure to have back up of the data
If issue still persist, kindly register your concern in Samsung members app (Samsung Member > Get help > send feedback > Ask question/Error report)
Thank you for writing to Samsung.
Samsung Customer Support