Wifi issues RTL8723BE Linux mint HP Notebook 14-am012nd

Linux mint 19.1 kernel 4.15.0-20 (4.15.0-46 doesn't work) echo "options rtl8723be ant_sel=2" | sudo tee /etc/modprobe.d/rtl8723be.conf

HP Notebook 14-am012nd

secure boot disabled (worked also with enabled)

Pin kernel:

echo kernel_package_name hold | dpkg --set-selections

Show marked:

apt-mark showhold