USB
Connect your Supernote to a computer or storage device.
Place any PDFs or eBooks in the "Documents" folder.
Supernote Cloud & Dropbox
Sign in to Supernote Cloud or Dropbox on your computer or phone and upload any PDFs or eBooks to the "Documents" folder.
Connect your Supernote to Wi-Fi, tap the "Sync" icon and wait until the process is complete.