Once you have installed the modified recovery and bootloader, there's a recovery option where you can queue up as many images as you like. There's also a app to

Once you have installed the modified recovery and bootloader, there's a recovery option where you can queue up as many images as you like. There's also a app to make things even easier: https://play.google.com/store/apps/details?id=com.tassadar.multirommgr https://play.google.com/store/apps/details?id=com.tassadar.m...