(Found in 2.0.9.0005.0509)
cp -r /sdcard/209 /tmp/upgrade/
/tmp/upgrade/check_coor.sh
/tmp/upgrade/copy_files.sh
rm -rf /tmp/upgrade
rm -rf /sdcard/209
cp -r /sdcard/211 /tmp/upgrade/
/tmp/upgrade/check_coor.sh
/tmp/upgrade/copy_files.sh
rm -rf /tmp/upgrade
rm -rf /sdcard/211