remove ro.frp.pst in /system/build.prop is the easiest method
ro.frp.pst=/dev/block/bootdevice/by-name/config
/dev/block/bootdevice/by-name/config
dd this path can remove FRP
dd if=/dev/null of=/dev/block/bootdevice/by-name/config
dd if=/dev/null of=/dev/block/mmcblk0p43