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 can't I connect my Wi-Fi SD card to Hotspot in Internet Mode? How are SLC (Single-Level Cell), MLC (Multi-Level Cell) and TLC (Triple-Level Cell) Flash different from one another? 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