I have installed rk3399-sd-friendlydesktop-bionic-4.4-arm64-20181219.img to sd card. I use Friendly Desktop mainly to launch kodi & chromium. Now I found that there is new image rk3399-sd-friendlydesktop-bionic-4.4-arm64-20190308.img. Do I have to burn this image to sd card again or it can be do...