Configure Dahua / SmartPSS DHI-XVR 5104, 5108, 5416, 5432 DVR or IP Camera to upload image snapshots/video clips to FTP/SMTP Server for cloud recording
How to backup from Dahua DVR (XVR4.0) to pendrive. - YouTube
Instructions to upgrade Dahua DVR Firmware via Cloud – CCTV Application System
DahuaWiki
How to take Recording and Backup form the Dahua DVR/XVR in pen drive or portable hard disc - YouTube