step 1 install open jdk 7 arm version step2 install java serial driver copy libraly file from /usr/lib/jni/librxtxserial.so to TunerStudio/lib/alternateLinuxDrivers?/Arm step3 mod Tunerstudio.sh file. as follow as if [ "$KERNEL" = "Darwin" ]; then SERIAL_DRIVER="lib/alternateLinuxDrivers?/OSX/:" elif [ "$KERNEL" = "Linux" ]; then if [ "$ARCH" = "x86_64" ]; then SERIAL_DRIVER="lib/alternateLinuxDrivers?/x86_64-linux:" elif [ "$ARCH" = "armv6l" ]; then SERIAL_DRIVER="lib/alternateLinuxDrivers?/Arm:" fi fi |