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 Why is my Wi-Fi SD card signal unstable? How do I restore to the default settings after updating the Wi-Fi SD firmware to v1.7? How come when I turn on my Olympus OMD EM-5, I can't see the Wi-Fi signal from my Wi-Fi SD card? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started