Press and hold the Power key and the Volume UP button.Connect a USB cable, then press and hold the Bixby button and the Volume down key.Press and hold the Power key ,the Volume down button and the Home key.Press and hold the Volume Up and Down keys and then connect a USB cable.Press and hold the Power key, the Volume UP button and the Bixby key.Now turn off your phone and enter the Download mode.If you want to do a clean flash, use CSC_*** either use HOME_CSC_*** to keep your data and apps.HOME_CSC_***: 'Country & Region & Operator'.You should get 1 (if 1 file, choose it here) or 5 (if 5 file, choose it here) file:.Download to your PC: Odin 3 latest version.