Passwords are stored in partition ( /config/ ) as: /config/passwd (plaintext up to 2021, then MD5 crypt).

Open the device (or look at the bottom sticker). Find the PCB version or Mainboard version . It might look like: V1.0 , V2.0 , or DH-XVR1B04HI-4KL .

Automatically detects signals from HDCVI, AHD, TVI, CVBS, and IP cameras.

come with a pre-installed 1TB SSD, capable of roughly 22 days of recording.

New HD-TVI or IP camera models often require updated firmware on the XVR to decode video correctly, support higher resolutions, or enable features like motion detection 2.0.