Using a USB to micro USB cord, you can plug any monqi device into a PC. From here you can download any of the files on the phone.
1. Connect both ends of the USB to micro USB to the computer and phone respectively
2. Go to the files on the computer and click on the named device
3. From this icon, you can open all the files on the phone to download and delete as you will.
WARNING: Deleting files will result in the corresponding files on the phone being deleted, so interact with caution.