How to enable YouTube quality 720P on ODROID.

If you use ODROID-C1+ version 4.4.x, You can't watch higher than 360P quality in YouTube.

Open Terminal app and edit build.prop

$ su
# mount -o rw,remount /
# vi /build.prop

ro.build.version.release=4.4.2 -> ro.build.version.release=5

Save and reboot.

Now enable 720p quality.