This project is based on http://gitorious.org/rockchip-android/tools build required: git， gcc， libssl-dev（for md5 checksum） apt-get install git gcc libssl-dev Get source code & build git clone git://github.com/jhonxie/rk2918_tools.git cd rk2918_tools make Several executable bins are built: img_unpack 固件新格式转旧格式 img_maker 固件旧格式打包成新格式 afptool 旧格式固件打包解包工具 mkkrnlimg pack kernel or ramdisk to add KRNL head and CRC checksum PS: the rkflash tool not implemented in this project, you can find it here: http://forum.xda-developers.com/showthread.php?t=1286305