Qsync Pro Android is a mobile file synchronization application that allows you to access files and folders stored on your NAS using your mobile device. [Prerequisites] - Android 5.0 or later - A QNAP NAS running QTS 4.3.4 or later and Qsync Central [Important Notes] - You now can select subfolders when adding paired folders. (Note: If a folder’s parent or child folder is already paired, this folder cannot be paired again.) - Support for one-way sync mode. - Qsync Android has been replaced with