Have you tried [link|https://www.samsung.com/us/support/troubleshooting/TSG01001470/|these|new_window=true] troubleshooting methods suggested by the manufacturer?
# Check the phone, charger, and USB cable for physical or liquid damage
# Force restart your phone (press and hold Power + Volume down key for 20 seconds)
# Charge the phone for at least 1 hour, at some point the charging indicator should be visible on display
# Restart the phone by pressing and holding the Power key for 15-20 seconds until the Samsung Galaxy logo appears
Let us know if any of these methods worked for you