: Common manufacturers for these generic units include Hikvision , Lorex , or CP Plus . 2. Prepare the Firmware for Installation
To get the correct backup or update file, follow these steps to identify your device and locate a compatible download: Download Firmware DVR 80235 Rev 4CH Backup rar
: Place the extracted firmware file directly into the root directory (not inside any folders) of the USB drive. 3. Perform the Update Plug the USB into the DVR’s USB port. : Common manufacturers for these generic units include