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 did my Wi-Fi SD card fail to update firmware or have Wi-Fi connection failure? How come I can't download photos to my iOS device's camera roll via the StoreJet Cloud, Wi-Fi SD and DrivePro app? How much content can you store in a card ? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started