Help documentation 1. Import files from other apps. 1) Find the file you need to import and select the file operation "Share" or "Open in…". 2) In the pop-up menu for sending files, select "Copy to Unzip". 2. Import files from system Files / iCloud Drive. 3. Transfer files with PC. 1) WiFi transfer: Connect the device and the PC to the same WiFi network, turn on the service in the APP, and enter the URL in the web browser in the PC. 2) iTunes file sharing: Use a USB cable to connect the device to the PC and open the iTunes software on the PC to transfer files. 4. Import photos and videos from the system Photos. 5. Universal player: Play almost all formats of video and audio. (Note: This function needs to be unlocked, and only mp3, mp4, mov, m4v, m2v are supported before unlocking) 6. Professional version features 1) Remove ads permanently 2) Universal player 3) Passcode lock 4) Backup encrypted compressed password 5) Other added functions Note: Buy once, permanently free. If you need to sync to other devices, you can restore the purchase in the settings.