Why can't I download files to the micro SD card on my android smart phone (Android 4.4.X) using the WI FI SD APP? Category : Setup / Operation In Android version 4.4 or later, the Third-Party software has no permission to access files in external micro SD cards. Please change the storage path to the phone's internal space. Is the answer helpful? Related How do I restore to the default settings after updating the Wi-Fi SD firmware to v1.7? Why does my Wi-Fi SD card have no Wi-Fi signal after used for a while on a Nikon camera? Why did my Wi-Fi SD card fail to update firmware or have Wi-Fi connection failure? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started