FAQ Update on KitKat and External SD Cards
My device has been upgraded to KitKat, and now I cannot download to my external sdcard. I get a permission denied error. Why? When will you fix it?
This is a problem with Android 4.4, not the app. The KitKat system denies write access to the external sdcard. A workaround exists only for rooted devices. We cannot fix it on our side.
See these links for further information:
The workaround for rooted devices: