SAMSUNG PHONE
ANDROID 5-9 FRP OFF OEM OFF
WRITE IN DOWNLOAD MODE
IN GENRAL TOOL/ANDROID LAB/BMT SAMSUNG Boot Rooter(5-9)
select boot.img
save file with csc
IN BRAND TOOLS/SAMSUNG/DOWNLOAD MODE/BMT CSC MODE
write csc in download mode
in GENRAL TOOL/ANDROID TOOLS/INSTALL MAGISK ROOT MANAGER
install and chek root
TIP:
android 8 and higher need convert lz4 too img in IN BRAND TOOLS/SAMSUNG/FLASHER